feat: update github-actions files across multiple locations (#303)

* Update github-actions files across multiple locations

* fix trim trailing whitespace

* Apply review suggestions dependabot.yml

Co-authored-by: Brendan <2bndy5@gmail.com>

---------

Co-authored-by: Brendan <2bndy5@gmail.com>

Author: shenxianpeng

.github/dependabot.yml

@@ -6,7 +6,9 @@
 version: 2
 updates:
   - package-ecosystem: github-actions
-    directory: /
+    directories:
+      - "/"
+      - "docs/examples"
     schedule:
       interval: "weekly"
     groups: