chore: add dependabot cooldown settings (#304)

Add cooldown settings to dependabot.yml

Author: pyansys-automation

.github/dependabot.yml

@@ -1,24 +1,28 @@
-version: 2
-updates:
-  - package-ecosystem: "pip"
-    directory: "/requirements"
-    schedule:
-      interval: "weekly"
-    labels:
-      - "maintenance"
-      - "dependencies"
-    groups:
-       pip-deps:
-          patterns:
-            - "*"
-
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-    labels:
-      - "maintenance"
-    groups:
-       actions-deps:
-          patterns:
-            - "*"
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    cooldown:
+      default-days: 10 # Fallback cooldown if no specific rule applies
+    directory: "/requirements"
+    schedule:
+      interval: "weekly"
+    labels:
+      - "maintenance"
+      - "dependencies"
+    groups:
+       pip-deps:
+          patterns:
+            - "*"
+
+  - package-ecosystem: "github-actions"
+    cooldown:
+      default-days: 10 # Fallback cooldown if no specific rule applies
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    labels:
+      - "maintenance"
+    groups:
+       actions-deps:
+          patterns:
+            - "*"