Update dependabot.yml

.github/dependabot.yml

@@ -4,8 +4,20 @@ updates:
   - package-ecosystem: pip
     directory: /
     schedule:
-      interval: weekly
+      interval: monthly
+    cooldown:
+      default-days: 7      
+    groups:
+      monthly-batch:
+        patterns:
+          - "*"
   - package-ecosystem: github-actions
     directory: /
     schedule:
-      interval: weekly
+      interval: monthly
+    cooldown:
+      default-days: 7
+    groups:
+      monthly-batch:
+        patterns:
+          - "*"