Bump rack from 2.2.4 to 2.2.6.2 (#4541)

Bumps [rack](https://github.com/rack/rack) from 2.2.4 to 2.2.6.2.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rack/rack/compare/2.2.4...v2.2.6.2

)

---
updated-dependencies:
- dependency-name: rack
  dependency-type: indirect
...

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

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

Gemfile.lock

@@ -313,7 +313,7 @@ GEM
     puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.6.1)
-    rack (2.2.4)
+    rack (2.2.6.2)
     rack-oauth2 (1.21.3)
       activesupport
       attr_required