Bump rack from 2.2.12 to 2.2.13 in /frameworks/Ruby/rage-sequel

Bumps [rack](https://github.com/rack/rack) from 2.2.12 to 2.2.13.
- [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/v2.2.12...v2.2.13)

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

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

frameworks/Ruby/rage-sequel/Gemfile.lock

@@ -3,7 +3,7 @@ GEM
   specs:
     bigdecimal (3.1.9)
     pg (1.5.9)
-    rack (2.2.12)
+    rack (2.2.13)
     rack-test (2.2.0)
       rack (>= 1.3)
     rage-iodine (4.0.0)