chore(ci): add dependabot dependency groups for actions, dev, and prod

Author: peterbud

.github/dependabot.yml

@@ -4,7 +4,17 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+    groups:
+      actions-deps:
+        patterns:
+          - "*"
+
   - package-ecosystem: npm
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "weekly"
+    groups:
+      dev-deps:
+        dependency-type: "development"
+      prod-deps:
+        dependency-type: "production"