fix: PyYAML dependency install (check #183) (temporary) (#272)

* fix: PyYAML dependency install (check #183)

* misc: update gh-actions (versions, and add temporary patch)

* misc: revert to python 3.9

.github/workflows/run-tests.yml

@@ -27,10 +27,11 @@ jobs:
       - name: Run image
         uses: abatilo/actions-poetry@v2.0.0
         with:
-          poetry-version: 1.1.6
+          poetry-version: 1.2.2
+      - name: Preinstall dependencies (temporary)
+        run: poetry run pip install "Cython<3.0" "pyyaml==5.4.1" --no-build-isolation
       - name: Install dependencies 
         run: poetry install
-        
       - name: Django Testing project
         run: |
           cp TEMPLATE.env .env

Dockerfile

@@ -30,6 +30,7 @@ RUN apk add --no-cache postgresql-libs && \
 
 # Install Python dependencies
 RUN poetry config virtualenvs.create false && \
+    poetry run pip install "Cython<3.0" "pyyaml==5.4.1" --no-build-isolation && \
     poetry install --no-dev --no-interaction --no-ansi
 
 # Cleanup dependencies & setup user group