Try to get linux to work

.github/workflows/dreamberd.yaml

@@ -21,13 +21,22 @@ jobs:
         python-version: "3.11"
     - name: Checkout repo
       uses: actions/checkout@v4
+    - name: Install Xvfb
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y xvfb
+    - name: Start Xvfb
+      run: |
+        Xvfb :99 -screen 0 1024x768x24 &
+    - name: Set DISPLAY environment variable
+      run: echo "DISPLAY=:99" >> $GITHUB_ENV
     - name: Install dependencies
       run: |
         pip install "git+https://github.com/JanEricNitschke/dreamberd-interpreter.git[input]"
         pip install pynput
-        export LC_ALL="de_DE.UTF-8"
         export PYTHONUNBUFFERED=1
     - name: Run
       run: |
+        export LC_CTYPE="de_DE.UTF-8"
         python simulate_key_presses.py --win & dreamberd tictactoe.db
         python simulate_key_presses.py --draw & dreamberd tictactoe.db