update dependency schedule

Author: gjtorikian

.github/dependabot.yml

@@ -3,15 +3,25 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: daily
+      interval: weekly
+      day: monday
       time: "09:00"
       timezone: "Etc/UTC"
+    groups:
+      github-actions:
+        patterns:
+          - "*"
     open-pull-requests-limit: 10
 
-  - package-ecosystem: "bundler"
+  - package-ecosystem: bundler
     directory: "/"
     schedule:
-      interval: daily
+      interval: weekly
+      day: monday
       time: "09:00"
       timezone: "Etc/UTC"
     open-pull-requests-limit: 10
+    groups:
+      bundler-dependencies:
+        patterns:
+          - "*"