Use Virtual Environment to read Dependencies

.github/workflows/dash.yaml

@@ -17,7 +17,19 @@ jobs:
       # taken from here: https://github.com/eclipse/dash-licenses#example-python
       - name: Create Dash Dependency Report
         run: |
-          cat kuksa-client/requirements.txt | grep -v \# \
+          python3 -m venv ./.venv/kuksa-client
+          source ./.venv/kuksa-client/bin/activate
+          
+          pip install --upgrade pip
+          pip install -r kuksa-client/requirements.txt
+          
+          deactivate
+          
+          python3 -m venv ./.venv/pipdeptree
+          source ./.venv/pipdeptree/bin/activate
+          
+          pip install pipdeptree
+          pipdeptree -a -f --python ./.venv/kuksa-client/bin/python \
           | sed -E -e 's|([^= ]+)==([^= ]+)|pypi/pypi/-/\1/\2|' -e 's| ||g' \
           | sort | uniq \
           > dependencies.txt