Docker images cleanup

[nuclearcat]

As part of preparation to versioned API/Pipeline release we need to create mechanism that will delete images that are old and not used anymore.
As first step we might do semi-automatic cleanup of existing images.
For example i took snapshots of images with following format at 7 and 8 February: "imagename,last_update,num_pulls" and identified several stale images that was not updated and dont have any new pulls:

      2 build-base,2022-08-15T14:46:00.107953Z,3568751
      2 build-clang-10,2021-10-11T09:30:23.692938Z,24702
      2 build-clang-11,2021-10-11T09:31:52.344053Z,3657
      2 build-clang-12,2021-10-11T09:33:21.871013Z,4381
      2 build-clang-8,2020-02-07T13:33:10.186608Z,16015
      2 build-clang-9,2020-09-11T12:24:23.794136Z,4115
      2 build-gcc-6.3.0_mips,2019-01-02T19:22:41.424879Z,74641
      2 build-gcc-7_arc,2019-04-26T12:07:11.857286Z,44494
      2 build-gcc-7_arm,2019-04-26T12:07:15.222898Z,422144
      2 build-gcc-7_arm64,2019-04-26T12:07:18.605918Z,22994
      2 build-gcc-7_mips,2019-04-26T12:07:21.970747Z,150251
      2 build-gcc-7_riscv64,2019-04-26T12:07:25.41024Z,12862
      2 build-gcc-7_x86,2019-04-26T12:07:28.428278Z,26355
      2 build-gcc-8_arc,2021-10-11T09:27:48.156805Z,416342
      2 build-gcc-8_arm,2021-10-11T09:28:03.844757Z,2739324
      2 build-gcc-8_arm64,2021-10-11T09:28:24.603019Z,200543
      2 build-gcc-8_mips,2021-10-11T09:28:37.372275Z,1236382
      2 build-gcc-8_riscv64,2021-10-11T09:28:49.307957Z,146526
      2 build-gcc-8_x86,2021-10-11T09:28:58.174458Z,281651
      2 build-k8s,2021-10-11T09:36:37.426002Z,2266357
      2 buildroot,2023-10-06T19:01:55.263699Z,1231
      2 chromeos-flash,2022-05-23T02:03:33.745155Z,158
      2 chromeos-lavapost,2022-05-20T02:06:25.633994Z,338
      2 chromeos-tast,2022-05-20T02:06:35.408823Z,888
      2 chromiumos,2022-05-20T02:06:42.177093Z,222
      2 clang-10,2021-12-13T22:50:40.672498Z,9773
      2 clang-11,2024-02-06T11:02:42.852681Z,11597
      2 clang-12,2024-02-06T10:21:35.064746Z,111
      2 clang-13,2024-02-06T10:24:38.197558Z,10963
      2 clang-14,2024-02-06T11:26:30.607968Z,84417
      2 clang-15,2024-02-06T11:50:22.579164Z,7006
      2 clang-17,2024-02-06T12:40:57.498448Z,4122
      2 clang-base,2022-08-15T14:58:02.019422Z,62
      2 coccinelle,2022-08-15T14:58:12.506947Z,15
      2 cros-clang-11,2023-02-01T15:25:45.894674Z,4
      2 cros-clang-14,2023-08-25T07:20:37.6602Z,7785
      2 cros-clang-16,2023-02-01T15:26:15.328995Z,4
      2 cvehound,2024-02-06T14:28:44.7563Z,29
      2 dt-validation,2024-02-06T14:29:59.817239Z,312
      2 gcc-10,2024-02-06T13:14:37.265856Z,274361
      2 gcc-10_arc,2022-08-15T14:49:03.747169Z,183591
      2 gcc-10_arm,2022-08-15T14:49:38.493312Z,499481
      2 gcc-10_arm64,2022-08-15T14:50:44.181487Z,63658
      2 gcc-10_armv5,2022-08-15T14:51:19.350513Z,1
      2 gcc-10_mips,2022-08-15T14:51:34.29928Z,246272
      2 gcc-10_riscv64,2022-08-15T14:51:47.765388Z,52263
      2 gcc-10_sparc,2022-08-15T14:52:02.525232Z,435
      2 gcc-10_x86,2022-08-15T14:52:16.083198Z,72443
      2 jenkins-agent,2020-04-06T20:33:56.674786Z,17
      2 k8s,2024-02-06T10:15:07.566997Z,3379028
      2 kcidb,2020-08-27T12:34:58.106175Z,22
      2 kernelci,2024-02-06T10:09:35.067404Z,33583
      2 pipeline,2023-09-05T08:17:46.959999Z,56
      2 qemu,2024-02-06T14:27:20.079026Z,331743
      2 rust,2023-10-06T17:58:23.886998Z,0
      2 rustc-1.62,2023-07-17T18:46:47.731383Z,2702
      2 rustc-1.66,2023-07-17T19:41:01.815591Z,37
      2 rustc-1.68,2023-04-24T09:39:11.238997Z,0
      2 rustc-1.70,2023-08-22T20:33:51.302541Z,285
      2 rustc-1.71,2023-10-02T11:07:01.41494Z,374
      2 rustc-1.72,2023-10-09T16:20:47.071371Z,123
      2 rustc-1.73,2023-12-21T22:58:16.359128Z,323
      2 rustc-1.74,2024-02-06T14:26:17.171256Z,14
      2 staging-build-base,2022-08-04T00:07:23.254115Z,110375
      2 staging-build-clang-8,2020-01-22T12:30:00.472868Z,1005
      2 staging-build-clang-9,2020-09-15T08:04:42.435954Z,4512
      2 staging-build-gcc-6.3.0_mips,2018-11-07T17:36:41.482595Z,30
      2 staging-build-gcc-7_arm,2018-11-07T17:12:42.25613Z,24
      2 staging-build-gcc-7_arm64,2018-11-07T17:17:28.311113Z,29
      2 staging-build-gcc-7_mips,2018-11-07T17:26:30.366179Z,31
      2 staging-build-gcc-7_x86,2018-11-07T17:21:50.792404Z,31
      2 staging-build-gcc-8_arc,2021-09-17T06:06:21.600348Z,52204
      2 staging-build-gcc-8_arm,2021-09-17T06:06:24.010075Z,383214
      2 staging-build-gcc-8_arm64,2021-09-17T06:06:26.570485Z,44352
      2 staging-build-gcc-8_mips,2021-09-17T06:06:28.90399Z,84833
      2 staging-build-gcc-8_riscv64,2021-09-17T06:06:31.258531Z,23326
      2 staging-build-gcc-8_x86,2021-09-17T06:06:33.69435Z,44969
      2 staging-build-gcc-9_mips,2021-09-16T20:30:58.705415Z,0
      2 staging-build-k8s,2021-09-29T08:23:56.018989Z,55560
      2 staging-chromiumos,2022-05-20T02:06:49.420492Z,26
      2 staging-clang-10,2021-12-02T08:05:25.048825Z,18339
      2 staging-clang-11,2023-04-04T16:11:38.071066Z,8490
      2 staging-clang-12,2022-08-04T00:10:47.071355Z,567
      2 staging-clang-13,2022-08-04T00:11:43.920914Z,5219
      2 staging-clang-15,2022-08-18T08:31:08.322704Z,2123
      2 staging-clang-16,2023-02-13T08:17:28.268825Z,2423
      2 staging-clang-base,2022-08-04T00:08:33.596014Z,436
      2 staging-coccinelle,2022-08-18T08:54:25.927787Z,669
      2 staging-cros-baseline,2023-05-30T13:23:54.412257Z,1
      2 staging-cros-clang-14,2023-05-30T13:16:42.832196Z,4
      2 staging-cros-gcc-10,2023-05-30T13:20:18.495393Z,3
      2 staging-cros-k8s,2023-05-30T13:12:55.110666Z,1
      2 staging-cros-kernelci,2023-05-30T13:10:28.704068Z,3
      2 staging-cros-qemu-modules,2023-05-30T13:26:20.895741Z,1
      2 staging-cros-sdk,2023-05-30T13:22:42.146207Z,1
      2 staging-cros-tast,2023-05-30T13:27:42.403389Z,1
      2 staging-deploy,2019-11-08T10:21:31.935004Z,21
      2 staging-gcc-10_arc,2022-08-04T00:08:36.152499Z,3701
      2 staging-gcc-10_arm,2022-08-04T00:08:39.048897Z,14893
      2 staging-gcc-10_arm64,2022-08-04T00:08:41.999232Z,8803
      2 staging-gcc-10_armv5,2022-08-04T00:08:44.912545Z,1
      2 staging-gcc-10_mips,2022-08-04T00:08:47.37552Z,7370
      2 staging-gcc-10_riscv64,2022-08-04T00:08:50.164073Z,3563
      2 staging-gcc-10_sparc,2022-08-04T00:08:58.375326Z,6
      2 staging-gcc-10_sparc64,2022-08-03T00:06:47.978503Z,58
      2 staging-gcc-10_x86,2022-08-04T00:09:01.313404Z,23985
      2 staging-rustc-1.62,2023-04-21T11:14:47.483571Z,210
      2 staging-rustc-1.66,2023-04-04T16:30:36.98395Z,35
      2 staging-rustc-1.68,2023-07-20T16:04:52.460948Z,105
      2 staging-rustc-1.70,2023-07-29T16:39:13.415872Z,10
      2 staging-rustc-1.71,2023-10-06T11:34:47.375281Z,47
      2 staging-rustc-1.72,2023-10-09T09:06:23.303455Z,10
      2 staging-rustc-1.73,2023-12-14T16:34:26.261662Z,93

Likely i will need to take larger time span, such as week.