dependabot updates

.github/dependabot.yml

@@ -1,13 +1,19 @@
 version: 2
+
 updates:
-  - package-ecosystem: "github-actions"
-    directory: "/" 
+  - package-ecosystem: "nuget"
+    directory: "/"
     schedule:
       interval: "weekly"
 
-  - package-ecosystem: "nuget"
-    directory: "/"    # change to "/src/YourProject" if .csproj files are in subfolders
-    schedule:
-      interval: "weekly"
-    open-pull-requests-limit: 5
-    # optional: target-branch: "master"
+    open-pull-requests-limit: 2
+
+    groups:
+      all-dependencies:
+        patterns:
+          - "*"
+
+    ignore:
+      - dependency-name: "*"
+        update-types:
+          - "version-update:semver-major"