fix(workflows): Forward test-repo branch to EC2Win (#2174)

Author: sky333999

.github/workflows/test-artifacts.yml

@@ -792,6 +792,7 @@ jobs:
             -var="ami=${{ matrix.arrays.ami }}" \
             -var="use_ssm=${{ matrix.arrays.useSSM }}" \
             -var="s3_bucket=${S3_INTEGRATION_BUCKET}" \
+            -var="github_test_repo_branch=${{ needs.OutputEnvVariables.outputs.CWA_GITHUB_TEST_REPO_BRANCH }}" \
             -var="runner_ip=${{ steps.runner_ip.outputs.ip }}" ; then
             terraform destroy -auto-approve
           else