Merge pull request #2913 from hathach/release-0.18.0

update doc, bump up release 0.18.0

Merge pull request #2801 from hathach/release-0.17.0

Merge pull request #2343 from hathach/release-0.16.0

Release 0.16.0

Merge pull request #1890 from hathach/release-0.15.0

update version to 0.15.0

Merge pull request #1609 from hathach/release-0.14.0-p2

update repository.yml

Merge pull request #1341 from hathach/release-0.13.0

increase version, update doc for release

Merge pull request #1139 from hathach/release-0.12.0

update changelog and increase version for 0.12.0

changelog

change ci to pico-sdk develop

increase version for release