Remove support for 3.13 pre-releases due to pint error

Author: idle-code

.github/workflows/run-tests.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13.0-rc.1" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12" ]
     steps:
       - uses: actions/checkout@v4
       - name: Install Python ${{ matrix.python-version }}