chore: Run integration tests only on PRs as the other tests

Aligned them with phpunit and cypress and so on.

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

Author: come-nc

.github/workflows/integration-sqlite.yml

@@ -4,11 +4,6 @@ name: Integration sqlite
 
 on:
   pull_request:
-  push:
-    branches:
-      - main
-      - master
-      - stable*
 
 permissions:
   contents: read