Bump rack from 2.2.8 to 3.0.9.1 (#75)

Bumps [rack](https://github.com/rack/rack) from 2.2.8 to 3.0.9.1.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@v2.2.8...v3.0.9.1)

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

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

Gemfile.lock

@@ -32,12 +32,12 @@ GEM
       dry-inflector (~> 1.0)
       dry-logic (~> 1.4)
       zeitwerk (~> 2.6)
-    grape (1.7.1)
-      activesupport
+    grape (2.0.0)
+      activesupport (>= 5)
       builder
       dry-types (>= 1.1)
       mustermann-grape (~> 1.0.0)
-      rack (>= 1.3.0, < 3)
+      rack (>= 1.3.0)
       rack-accept
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
@@ -57,7 +57,7 @@ GEM
       ast (~> 2.4.1)
       racc
     racc (1.7.1)
-    rack (2.2.8)
+    rack (3.0.9.1)
     rack-accept (0.4.5)
       rack (>= 0.4)
     rack-test (2.1.0)