Merge pull request #2121 from kube-logging/dependabot/bundler/images/fluentd/outputs/rack-3.1.18

chore(deps): bump rack from 3.0.16 to 3.1.18 in /images/fluentd/outputs

Author: csatib02

images/fluentd/outputs/Gemfile.lock

@@ -364,7 +364,7 @@ GEM
       protocol-http (~> 0.47)
     public_suffix (5.0.3)
     racc (1.8.1)
-    rack (3.0.16)
+    rack (3.1.18)
     rack-oauth2 (1.21.3)
       activesupport
       attr_required