[Tests] Try xlsx2csv 0.8.4

Author: set-soft

.github/workflows/python-app.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest xlsx2csv wheel
+        pip install flake8 pytest xlsx2csv==0.8.4 wheel
         sed -i 's/^wxPython/#wxPython/' requirements.txt 
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
         # pip install git+https://github.com/set-soft/kicost-digikey-api-v3.git