Bump rack-test from 2.0.2 to 2.1.0

Bumps [rack-test](https://github.com/rack/rack-test) from 2.0.2 to 2.1.0.
- [Release notes](https://github.com/rack/rack-test/releases)
- [Changelog](https://github.com/rack/rack-test/blob/main/History.md)
- [Commits](rack/rack-test@v2.0.2...v2.1.0)

---
updated-dependencies:
- dependency-name: rack-test
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -58,7 +58,8 @@ GEM
     mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
     net-ldap (0.17.1)
-    nio4r (2.5.8-java)
+    nio4r (2.5.2)
+    nio4r (2.5.2-java)
     opentelemetry-api (1.1.0)
     opentelemetry-common (0.19.6)
       opentelemetry-api (~> 1.0)
@@ -102,17 +103,22 @@ GEM
       ast (~> 2.4.1)
     pickup (0.0.11)
     prometheus-client (2.1.0)
+    pry (0.14.2)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
     pry (0.14.2-java)
       coderay (~> 1.1)
       method_source (~> 1.0)
       spoon (~> 0.0)
     public_suffix (5.0.1)
+    puma (5.6.5)
+      nio4r (~> 2.0)
     puma (5.6.5-java)
       nio4r (~> 2.0)
-    rack (2.2.6.2)
+    rack (2.2.6.4)
     rack-protection (2.2.4)
       rack
-    rack-test (2.0.2)
+    rack-test (2.1.0)
       rack (>= 1.3)
     rainbow (3.1.1)
     rake (13.0.6)
@@ -206,6 +212,7 @@ GEM
 PLATFORMS
   universal-java-1.8
   universal-java-11
+  x86_64-linux
 
 DEPENDENCIES
   climate_control (>= 0.2.0)