[main] Update dependabot configurations (#4034)

Co-authored-by: serverless-qe <serverless-support@redhat.com>

Author: serverless-qe

.github/dependabot.yml

@@ -5,6 +5,10 @@ updates:
         - /
       schedule:
         interval: weekly
+      groups:
+        all-actions:
+            patterns:
+                - '*'
     - package-ecosystem: gomod
       directories:
         - /