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

(cherry picked from commit f67a3f952c)
(cherry picked from commit 23502a9b9f)
(cherry picked from commit f8f345ae18)
(cherry picked from commit e00eb6d9b3)
(cherry picked from commit f5f5eb53fa)

.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 }}