Changelog for `rzk-action`

v1.2.0

Support a check for formatting (see #5 by @aabounegm)

v1.1.0

Rely on rzk.yaml by default (see #3 and #4 by @fredrik-bakke)
Add system-rzk input (see 818758c)
Add rzk-version output (see 9958da0)
Add branding (see 159a591)
Add test workflow to check action (see a91a44c)

v1.0.0

This is the first release of the action! :)