Potential fix for code scanning alert no. 2: Workflow does not contain permissions

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: adhityan

.github/workflows/build.yml

@@ -4,6 +4,9 @@ on:
     pull_request:
         branches: ['main']
 
+permissions:
+    contents: read
+
 env:
     NX_CLOUD_ACCESS_TOKEN: ${{ secrets.NX_CLOUD_ACCESS_TOKEN }}