Reduce dependabot updates to monthly grouped

Reduce the amount of noise here

Signed-off-by: Chad Wilson <29788154+chadlwilson@users.noreply.github.com>

Author: chadlwilson

.github/dependabot.yml

@@ -1,20 +1,20 @@
 version: 2
 updates:
-- package-ecosystem: gomod
-  directory: "/"
-  schedule:
-    interval: weekly
-  allow:
-    - dependency-type: all
-  groups:
-    go:
-      patterns:
-        - "*"
-- package-ecosystem: "github-actions"
-  directory: "/"
-  schedule:
-     interval: weekly
-  groups:
-    github-actions:
-      patterns:
-        - "*"
+  - package-ecosystem: gomod
+    directory: "/"
+    schedule:
+      interval: monthly
+    allow:
+      - dependency-type: all
+    groups:
+      go:
+        patterns:
+          - "*"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: monthly
+    groups:
+      github-actions:
+        patterns:
+          - "*"