Bump rack from 3.0.9.1 to 3.0.12 in the bundler group (#1102)

Bumps the bundler group with 1 update: [rack](https://github.com/rack/rack).


Updates `rack` from 3.0.9.1 to 3.0.12
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@v3.0.9.1...v3.0.12)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -147,7 +147,7 @@ GEM
       forwardable-extended (~> 2.6)
     public_suffix (6.0.1)
     racc (1.8.1)
-    rack (3.0.9.1)
+    rack (3.0.12)
     rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)