Add workflow_dispatch trigger to tests workflow

Author: Vinyzu

.github/workflows/patchright_tests.yml

@@ -1,6 +1,7 @@
 name: Patchright Chromium Tests
 
 on:
+  workflow_dispatch:
   push:
     branches: [main]
   pull_request:
@@ -66,4 +67,4 @@ jobs:
       - name: Run Chromium Tests
         run: |
           xvfb-run pytest --browser=chromium --disable-warnings --timeout 90 tests/sync/
-          xvfb-run pytest --browser=chromium --disable-warnings --timeout 90 tests/async/
+          xvfb-run pytest --browser=chromium --disable-warnings --timeout 90 tests/async/