decrease pr limit

Author: EddeCCC

.github/dependabot.yml

@@ -18,6 +18,6 @@ updates:
     directory: "/components/inspectit-ocelot-configurationserver-ui" # Location of package manifests
     schedule:
       interval: "weekly"
-    open-pull-requests-limit: 5
+    open-pull-requests-limit: 3
     labels:
       - "dependencies"