Add free threading Python 3.14t to the testing #430 (#434)

* #430 excluding Windows

Author: cclauss

.github/workflows/python_publish.yml

@@ -29,8 +29,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        python-version: ['3.10', '3.12', '3.14']
-      max-parallel: 9
+        python-version: ['3.10', '3.12', '3.14', '3.14t']
+        exclude:  # https://github.com/nateshmbhat/pyttsx3/pull/430
+          - os: windows-latest
+            python-version: '3.14t'
     runs-on: ${{ matrix.os }}
     steps:
       - if: runner.os == 'Linux'