chore: fix the a/b staging app id (#638)

Author: patrickhousley

.github/workflows/publish-dev.yml

@@ -99,7 +99,7 @@ jobs:
         uses: ./.github/actions/internal-ab
         with:
           nr_environment: staging
-          nrba_app_id: ${{ secrets.INTERNAL_DEV_APPLICATION_ID }}
+          nrba_app_id: ${{ secrets.INTERNAL_STAGING_APPLICATION_ID }}
           nrba_license_key: ${{ secrets.INTERNAL_LICENSE_KEY }}
           nrba_current_script_url: https://js-agent.newrelic.com/nr-loader-spa-current.min.js
           nrba_next_script_url: https://js-agent.newrelic.com/dev/nr-loader-experimental.min.js