Update pull-request.yml

Fix issue related to permissions

.github/workflows/pull-request.yml

@@ -33,6 +33,8 @@ jobs:
         run: |
           python -m venv .venv && \
           .venv/bin/pip install -r requirements.txt
+      - name: change permissions for pgdata directory
+        run: sudo chmod -R 777 /home/runner/work/folksonomy_api/folksonomy_api/data/pg/pgdata
       - name: wait postgres to be ready
         timeout-minutes: 10
         run: |