chore: Update dependabot config

Author: adangel

.github/dependabot.yml

@@ -5,12 +5,11 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+      day: "wednesday"
     # Allow up to 10 open pull requests for maven dependencies
     open-pull-requests-limit: 10
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
-    groups:
-      all-actions:
-        patterns: [ "*" ]
+      day: "wednesday"