Bump racc from 1.6.2 to 1.7.0 (#27704)

Bumps [racc](https://github.com/tenderlove/racc) from 1.6.2 to 1.7.0.
- [Release notes](https://github.com/tenderlove/racc/releases)
- [Changelog](https://github.com/ruby/racc/blob/master/ChangeLog)
- [Commits](https://github.com/tenderlove/racc/compare/v1.6.2...v1.7.0)

---
updated-dependencies:
- dependency-name: racc
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -78,7 +78,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (5.0.1)
-    racc (1.6.2)
+    racc (1.7.0)
     rack (2.2.7)
     rack-protection (3.0.6)
       rack