chore(deps): bump rack-protection from 4.2.0 to 4.2.1

Bumps [rack-protection](https://github.com/sinatra/sinatra) from 4.2.0 to 4.2.1.
- [Changelog](https://github.com/sinatra/sinatra/blob/main/CHANGELOG.md)
- [Commits](sinatra/sinatra@v4.2.0...v4.2.1)

---
updated-dependencies:
- dependency-name: rack-protection
  dependency-version: 4.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -541,7 +541,7 @@ GEM
       rack (>= 3.0.14)
     rack-mini-profiler (4.0.1)
       rack (>= 1.2.0)
-    rack-protection (4.2.0)
+    rack-protection (4.2.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)