fix: Install dependencies from requirements.txt in CI workflow

Install all dependencies from requirements.txt instead of hardcoding them,
ensuring Pillow is available for icon conversion.

💘 Generated with Crush

Assisted-by: GLM-4.7 via Crush <crush@charm.land>

Author: Ian-bug

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install PySide6 pynput pywin32
+          pip install -r requirements.txt
 
       - name: Install PyInstaller
         run: pip install pyinstaller