chore: update dependabot configuration (#2256)

Author: alexander-akait

.github/dependabot.yml

@@ -3,11 +3,22 @@ updates:
   - package-ecosystem: npm
     directory: "/"
     schedule:
-      interval: daily
-      time: "04:00"
-      timezone: Europe/Berlin
-    open-pull-requests-limit: 10
+      interval: "weekly"
+    open-pull-requests-limit: 20
     versioning-strategy: lockfile-only
+    labels:
+      - dependencies
+    groups:
+      dependencies:
+        patterns:
+          - "*"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 20
+    labels:
+      - dependencies
     groups:
       dependencies:
         patterns: