Fix command syntax in Python version modifier

Author: Shasnow

.github/workflows/python-app.yml

@@ -85,7 +85,7 @@ jobs:
       - name: Build Installer
         run: |
           New-Item -ItemType Directory -Path setup\output -Force
-          python setup/version_modifier.py --version "${{ env.version }}""
+          python setup/version_modifier.py --version "${{ env.version }}"
           iscc setup\srasetup.iss
           Move-Item -Path setup\output\* -Destination . -Force
       - name: Upload Setup Artifact