run on main only

.github/workflows/tests_bidi.yml

@@ -53,6 +53,7 @@ jobs:
         retention-days: 7
 
     - name: Azure Login
+      if: ${{ !cancelled() && github.ref == 'refs/heads/main' }}
       uses: azure/login@v2
       with:
         client-id: ${{ secrets.AZURE_BLOB_REPORTS_CLIENT_ID }}
@@ -60,6 +61,7 @@ jobs:
         subscription-id: ${{ secrets.AZURE_BLOB_REPORTS_SUBSCRIPTION_ID }}
 
     - name: Upload report.csv to Azure
+      if: ${{ !cancelled() && github.ref == 'refs/heads/main' }}
       run: |
         REPORT_DIR='bidi-reports'
         azcopy cp "./test-results/report.csv" "https://mspwblobreport.blob.core.windows.net/\$web/$REPORT_DIR/${{ matrix.channel }}.csv"