Merge pull request #5 from PythonIreland/allynh_uv_requirements_actions

Updating Actions to use uv.

Author: AllynH

.github/workflows/validate-csv.yml

@@ -27,9 +27,12 @@ jobs:
 
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install pytest==9.0.1
+        python -m pip install --upgrade uv
+        uv venv .venv
+        source .venv/bin/activate
+        uv pip install -r requirements.txt
         
     - name: Run CSV validation tests
       run: |
+        source .venv/bin/activate
         pytest tests/test_csv.py -v