sync test dependency packages for 3.9

Author: Codeflash Bot

.github/workflows/unit-tests.yaml

@@ -28,8 +28,8 @@ jobs:
       - name: install dependencies
         run: uv sync
 
-      - name: Install test-only dependencies (Python 3.13)
-        if: matrix.python-version == '3.13'
+      - name: Install test-only dependencies (Python 3.9 and 3.13)
+        if: matrix.python-version == '3.9' || matrix.python-version == '3.13'
         run: uv sync --group tests
 
       - name: Unit tests