fix: include test dependency group in docs-scripts CI job

uv sync --locked does not install pytest since it lives in the test dependency group. Changed to --group test to make pytest available.

JIRA: trivial
risk: nonprod

Author: hkad98

.github/workflows/rw-python-tests.yaml

@@ -56,7 +56,7 @@ jobs:
           python-version: 3.14
       - name: Install dependencies
         run: |
-          uv sync --locked
+          uv sync --group test --locked
       - name: Test docs scripts
         run: |
           make test-docs-scripts