run mypy on multiple versions

Author: jhamon

.github/workflows/on-pr.yaml

@@ -52,7 +52,7 @@ jobs:
       - create-project
     with:
       encrypted_project_api_key: ${{ needs.create-project.outputs.encrypted_project_api_key }}
-      python_versions_json: '["3.10"]'
+      python_versions_json: '["3.10", "3.11", "3.12", "3.13"]'
       dense_index_host: ${{ needs.create-project.outputs.index_host_dense }}
       sparse_index_host: ${{ needs.create-project.outputs.index_host_sparse }}