fix(ci): push latest image along with released tag

chore(deps): bump actions/cache from 2.1.6 to 2.1.7 (flant#335)

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.6 to 2.1.7.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2.1.6...v2.1.7)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Merge pull request flant#324 from flant/migrate_to_go_1_16

Migrate to Go 1.16

chore(deps): bump actions/github-script from 4.0.2 to 4.1 (flant#310)

Bumps [actions/github-script](https://github.com/actions/github-script) from 4.0.2 to 4.1.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v4.0.2...v4.1)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

ref: object patcher and patch collector (flant#308)

* ref: object patcher and patch collector

- add ignoreIfMissing option for patch operations

Merge pull request flant#277 from flant/dependabot/github_actions/act…

…ions/github-script-v4.0.2

chore(deps): bump actions/github-script from v3 to v4.0.2

Merge pull request flant#270 from flant/fix-discussions-links

fix: change forum link

Merge pull request flant#250 from flant/feat_conversion_binding

feat: support for conversion webhooks

feat: use hooks as a validating webhook handlers (flant#223)

feat: use hooks as a validating webhook handlers

- new binding type `kubernetesValidating`
- add documentation and example
- some ci enhancements: build dev image for amd64 only, remove -v from tests

Co-authored-by: Andrey Klimentyev <[email protected]>

Merge pull request flant#211 from flant/feat_exponential_backoff

feat: exponential backoff for hook retries