CCM-11971: Move PR Created Workflow before Acceptance Tests

Author: jamesthompson26-nhs

.github/workflows/stage-3-build.yaml

@@ -96,13 +96,15 @@ jobs:
         env:
           APP_CLIENT_ID: ${{ secrets.APP_CLIENT_ID }}
           APP_PEM_FILE: ${{ secrets.APP_PEM_FILE }}
+          PR_NUMBER: ${{ inputs.pr_number }}
+
         shell: bash
         run: |
           .github/scripts/dispatch_internal_repo_workflow.sh \
             --infraRepoName "$(echo ${{ github.repository }} | cut -d'/' -f2)" \
-            --releaseVersion "${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" \
+            --releaseVersion ${{ github.head_ref || github.ref_name }} \
             --targetWorkflow "dispatch-deploy-dynamic-env.yaml" \
-            --targetEnvironment "pr${{ github.event.number }}" \
+            --targetEnvironment "${env.PR_NUMBER}" \
             --targetComponent "api" \
             --targetAccountGroup "nhs-notify-supplier-api-dev" \
             --terraformAction "apply" \