remove 3.13 due to pyvoro build fail

Author: kip-hart

.github/workflows/python_package.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.9, '3.10', '3.11', '3.12', '3.13']
+        python-version: [3.9, '3.10', '3.11', '3.12']
         os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
 
     steps: