[CI] Forgejo Actions e2e tests (squash) do not try in simulation

(cherry picked from commit f67a3f952cac7b9390b9dd2752bdf215a82e04b0)
(cherry picked from commit 23502a9b9fa92013d91295d8c9278601b31228c5)

.forgejo/workflows/build-release-integration.yml

@@ -9,6 +9,14 @@ on:
       - docker/**
       - .forgejo/workflows/build-release.yml
       - .forgejo/workflows/build-release-integration.yml
+  pull_request:
+    paths:
+      - Makefile
+      - Dockerfile
+      - Dockerfile.rootless
+      - docker/**
+      - .forgejo/workflows/build-release.yml
+      - .forgejo/workflows/build-release-integration.yml
 
 jobs:
   release-simulation:

.forgejo/workflows/build-release.yml

@@ -152,7 +152,7 @@ jobs:
           verbose: ${{ vars.VERBOSE || 'false' }}
 
       - name: end-to-end tests
-        if: ${{ secrets.TOKEN != '' }}
+        if: ${{ secrets.TOKEN != '' && vars.ROLE == 'forgejo-integration' }}
         uses: https://code.forgejo.org/actions/cascading-pr@v1
         with:
           origin-url: ${{ env.GITHUB_SERVER_URL }}