Run adaptix-testing via python run.py instead of uv run entry point

uv run adaptix-testing fails to locate the installed script entry point;
calling run.py directly is simpler and reliable.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: TGJLS

.github/workflows/test.yaml

@@ -223,7 +223,7 @@ jobs:
         shell: wsl-bash {0}
         run: |
           cd /tmp/testing-kit
-          uv run adaptix-testing -c /tmp/ci_config.yaml -t tasks.yaml
+          uv run python run.py -c /tmp/ci_config.yaml -t tasks.yaml
 
       # ── Cleanup ──────────────────────────────────────────────────────────────