v1.21.1-pro

Changelog

Shared with OSS

Bug fixes

• fix: git client should respect specified branch (#4324)
• fix: git.ignore_tags not working (#4322)
• fix: only log skips if something is actually being skipped
• fix: skips log on goreleaser build

Other work

• docs: draft 1.21 announcement (#4310)
• docs: reword
• docs: update announcement blog post