chore(actions) mandate dco only for /packages/** & /scripts/cypress/**

Signed-off-by: Raju Udava <sivadstala@gmail.com>

.github/workflows/dco-check.yml

@@ -1,5 +1,12 @@
+# Path inclusion/ exclusions:
+#   https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions#excluding-paths
+
 name: Check DCO
-on: [pull_request]
+on:
+  pull_request:
+    paths:
+      - "packages/**"
+      - "scripts/cypress/**"
 
 jobs:
   commits_check_job:
@@ -7,7 +14,7 @@ jobs:
     name: Commits Check
     steps:
       - name: Get PR Commits
-      id: 'get-pr-commits'
+        id: "get-pr-commits"
         uses: tim-actions/get-pr-commits@master
         with:
           token: ${{ secrets.GITHUB_TOKEN }}