v0.4.0

Changelog

• 90da372: ci: exclude merge commits from release changelogs (@UemitCebi)
• bc1c0c5: ci: fix lint job — pin golangci-lint-action to v8 for v2 config support (@UemitCebi)
• d70f98c: ci: run go test and golangci-lint on every pull request (@UemitCebi)
• c9c1400: ci: split Homebrew tap update into its own re-runnable job (@UemitCebi)
• 37e395e: feat: inject Ma'at's maintenance contract into brownfield AGENTS.md (@UemitCebi)
• eb65511: fix: clean up golangci-lint findings in internal/maat (@UemitCebi)
• dd93253: fix: drop the apostrophe from the Action's Marketplace name (@UemitCebi)
• eb05b67: fix: remove apostrophes from the Action's Marketplace-visible text (@UemitCebi)