Merge pull request hathach#1890 from hathach/release-0.15.0

update version to 0.15.0

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

update repository.yml

Merge pull request hathach#1341 from hathach/release-0.13.0

increase version, update doc for release

Merge pull request hathach#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

Release 0.9.0 (hathach#716)

* update change log for release
* move changelog into docs/
* more changelog
* increase macro version

Merge pull request hathach#634 from hathach/release-0.8.0

Release 0.8.0

release 0.7.0 with changelog and doc update