ci: allow php scope in PR title lint

Author: Thorium

.github/workflows/conventional-pr-title.yml

@@ -21,4 +21,4 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           scopes: |
-            (?:all|(?:js|ts|dart|python|rust|beam)(?:/(?:js|ts|dart|python|rust|beam))*)
+            (?:all|(?:js|ts|dart|python|rust|beam|php)(?:/(?:js|ts|dart|python|rust|beam|php))*)