Update release.yml with test reqs

Author: tmichaeldb

.github/workflows/release.yml

@@ -22,6 +22,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip==22.0.4
         pip install -r requirements.txt
+        pip install -r requirements_test.txt
         pip install --no-cache-dir .
     - name: Run tests
       run: |