Remove master branch trigger from test workflow

The `push` event trigger for the `master` branch was removed from the GitHub Actions test workflow, as it's no longer required. The workflow now focuses on pull request events to streamline automation.

Author: HichemTab-tech

.github/workflows/test.yml

@@ -1,8 +1,6 @@
 name: Test
 on:
   push:
-    branches:
-      - master
   pull_request:
     types: [opened, synchronize, reopened, ready_for_review]
     branches: