Build(deps): bump rack in /frameworks/Ruby/rage-sequel

Bumps [rack](https://github.com/rack/rack) from 2.2.17 to 2.2.20.
- [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/v2.2.17...v2.2.20)

---
updated-dependencies:
- dependency-name: rack
  dependency-version: 2.2.20
  dependency-type: indirect
...

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

frameworks/Ruby/rage-sequel/Gemfile.lock

@@ -4,7 +4,7 @@ GEM
     bigdecimal (3.1.9)
     logger (1.7.0)
     pg (1.5.9)
-    rack (2.2.17)
+    rack (2.2.20)
     rack-test (2.2.0)
       rack (>= 1.3)
     rage-iodine (4.0.0)