chore: Included githubactions for dependabot (#6080)

This should help with keeping the GitHub actions updated on new releases. This will also help with keeping it secure.

Dependabot helps in keeping the supply chain secure https://docs.github.com/en/code-security/dependabot

GitHub actions up to date https://docs.github.com/en/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot

https://github.com/ossf/scorecard/blob/main/docs/checks.md#dependency-update-tool

Signed-off-by: naveensrinivasan <172697+naveensrinivasan@users.noreply.github.com>

.github/dependabot.yml

@@ -21,3 +21,13 @@ updates:
     labels:
       - "PR: chore"
       - "PR: dependencies"
+  - package-ecosystem: "github-actions" # See documentation for possible values
+    directory: "/" 
+    target-branch: "develop"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "chore(deps)"
+    labels:
+      - "PR: chore"
+      - "PR: dependencies"