Update Dependabot configuration for npm

Configure Dependabot to group minor and patch updates.

Author: timakro

.github/dependabot.yml

@@ -9,3 +9,12 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
+    # Group minor and patch updates into a single PR to reduce noise
+    # Major version updates will still be created as individual PRs for careful review
+    groups:
+      minor-and-patch:
+        patterns:
+          - "*"
+        update-types:
+          - "minor"
+          - "patch"