fix(ci): skip workflow publish when no packages found (nodejs#8454)

* fix: workflow publish package failure fix

* fix: correct condition syntax for package publishing check

Author: malav2110

.github/workflows/publish-packages.yml

@@ -97,6 +97,8 @@ jobs:
   publish:
     needs: prepare-packages
     runs-on: ubuntu-latest
+    # Skip if no packages need to be published
+    if: fromJson(needs.prepare-packages.outputs.matrix).package[0] != null
     # Use the dynamic matrix from prepare-packages job to create parallel jobs for each package
     strategy:
       matrix: ${{ fromJson(needs.prepare-packages.outputs.matrix) }}