Mesh-2092 bump actions/upload-arifact to v4

Author: james-bradley-nhs

.github/workflows/pull-request.yml

@@ -171,7 +171,7 @@ jobs:
 
       - name: archive reports
         if: success() || failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: reports
           path: reports/**/*