Add GitHub Actions to Dependabot (#3834)

Add GitHub Issues label to NPM package upgrades.

.github/dependabot.yaml

@@ -1,6 +1,15 @@
 version: 2
 
 updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+        interval: daily
+    groups:
+        github-actions:
+            patterns:
+                - "*"
+
   - package-ecosystem: npm
     directory: src/platform_impl/web/script
     schedule:
@@ -9,3 +18,5 @@ updates:
         github-actions:
             patterns:
                 - '*'
+    labels:
+        - "DS - web"