Failed to install dependencies globally on Ubuntu, modified GitHub Wo…

…rkflow to install dependencies in venv instead

.github/workflows/display-modes.yaml

@@ -39,10 +39,12 @@ jobs:
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v5
+      - name: Create venv
+        run: python3 -m venv .venv
       - name: Install Python dependencies
-        run: sudo pip install -r requirements.txt
+        run: .venv/bin/pip install -r requirements.txt
       - name: Build JSON database for frontend
-        run: python compile.py
+        run: .venv/bin/python3 compile.py
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with: