chore: harden grouped dependency updates (#170)

Author: JerrettDavis

.github/dependabot.yml

@@ -1,34 +1,41 @@
+# Keep dependency PRs grouped and delayed for at least 48 hours so newly published packages age before adoption.
 version: 2
 updates:
-  - package-ecosystem: "nuget"
+  - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
-    open-pull-requests-limit: 10
+      day: "monday"
+      time: "06:00"
+      timezone: "America/Chicago"
+    open-pull-requests-limit: 5
     labels:
       - "dependencies"
+      - "ci"
     commit-message:
       prefix: "chore(deps)"
     cooldown:
       default-days: 2
     groups:
-      all-dependencies:
+      github-actions-dependencies:
         patterns:
           - "*"
 
-  - package-ecosystem: "github-actions"
+  - package-ecosystem: "nuget"
     directory: "/"
     schedule:
       interval: "weekly"
-    open-pull-requests-limit: 5
+      day: "monday"
+      time: "06:00"
+      timezone: "America/Chicago"
+    open-pull-requests-limit: 10
     labels:
       - "dependencies"
-      - "ci"
     commit-message:
       prefix: "chore(deps)"
     cooldown:
       default-days: 2
     groups:
-      all-dependencies:
+      nuget-dependencies:
         patterns:
           - "*"