Bump rack-attack from 6.6.1 to 6.7.0

Bumps [rack-attack](https://github.com/rack/rack-attack) from 6.6.1 to 6.7.0.
- [Release notes](https://github.com/rack/rack-attack/releases)
- [Changelog](https://github.com/rack/rack-attack/blob/main/CHANGELOG.md)
- [Commits](rack/rack-attack@v6.6.1...v6.7.0)

---
updated-dependencies:
- dependency-name: rack-attack
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -238,8 +238,8 @@ GEM
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.7)
-    rack-attack (6.6.1)
-      rack (>= 1.0, < 3)
+    rack-attack (6.7.0)
+      rack (>= 1.0, < 4)
     rack-cors (2.0.1)
       rack (>= 2.0.0)
     rack-test (2.1.0)