Update dependency pyinstaller/pyinstaller to v6.14.0

Author: renovate[bot]

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: pyinstaller/pyinstaller
-          ref: v6.13.0
+          ref: v6.14.0
 
       - name: Set up Python
         uses: actions/setup-python@v5