Merge pull request #246 from jolelievre/update-ci-9.1.x-to-9.1.4

Replace 9.1.x branch with 9.1.4 tag in CI

Author: jolelievre

.github/workflows/php.yml

@@ -84,7 +84,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        presta_version: ['9.1.x', 'develop']
+        presta_version: ['9.1.4', 'develop']
         php_version: ['8.1', '8.5']
       fail-fast: false
     env: