dependabot should be in one PR per ecosystem

Author: halfcyan

.github/dependabot.yml

@@ -1,15 +1,24 @@
 version: 2
+
+multi-ecosystem-groups:
+  cargo:
+    schedule:
+      interval: daily
+  actions:
+    schedule:
+      interval: weekly
+
 updates:
   # Maintain GitHub Actions
   - package-ecosystem: "github-actions"
     directory: "/"
-    schedule:
-      interval: "weekly"
-    open-pull-requests-limit: 5
+    patterns:
+      - "*"
+    multi-ecosystem-group: actions
 
   # Maintain Cargo dependencies
   - package-ecosystem: "cargo"
     directory: "/"
-    schedule:
-      interval: "daily"
-    open-pull-requests-limit: 10
+    patterns:
+      - "*"
+    multi-ecosystem-group: cargo