Update Python version matrix in publish-pypi workflow

Author: fox-techniques

.github/workflows/publish-pypi.yml

@@ -63,7 +63,7 @@ jobs:
       contents: read
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v4