Run typed-argument-parser tests on 3.12 in the daily workflow (#307)

They declared support for Python 3.12 in swansonk14/typed-argument-parser@0789b25

Author: AlexWaygood

.github/workflows/third_party.yml

@@ -217,7 +217,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps: