Update update-release-assets.yml

Author: RayBytes

.github/workflows/update-release-assets.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt pyinstaller
+          pip install -r requirements.txt pyinstaller pillow
 
       - name: Build app (macOS)
         if: startsWith(matrix.os, 'macos')