build(deps): bump mislav/bump-homebrew-formula-action from v1.4 to v1.7 (#318)

Bumps [mislav/bump-homebrew-formula-action](https://github.com/mislav/bump-homebrew-formula-action) from v1.4 to v1.7.
- [Release notes](https://github.com/mislav/bump-homebrew-formula-action/releases)
- [Commits](https://github.com/mislav/bump-homebrew-formula-action/compare/v1.4...a603237caf97716bdb5b4b8b4abc807f675e6e88)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/release.yaml

@@ -66,7 +66,7 @@ jobs:
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     steps:
       - name: Bump Homebrew formula version
-        uses: mislav/bump-homebrew-formula-action@v1.4
+        uses: mislav/bump-homebrew-formula-action@v1.7
         if: "!contains(github.ref, '-')" # skip prereleases
         with:
           formula-name: terraform-docs