fixed the runner

.gitea/workflows/build.yml

@@ -15,12 +15,12 @@ jobs:
 
       - name: Install Dependencies
         run: |
+          python -m pip install --upgrade pip
           pip install -r requirements.txt
           pip install pyinstaller
 
       - name: Build with PyInstaller
-        run: |
-          pyinstaller --onefile --name myapp main.py
+        run: pyinstaller --onefile --name myapp main.py
 
       - name: Upload Executable
         uses: actions/upload-artifact@v3