psql ODBC CI - Use mimalloc to improve performance and reduce memory allocation lock contention (#6) * Add mimalloc submodule and update build script * Add steps to build and test with UseMimalloc * Update mimalloc submodule * Change UseMimalloc parameter type to switch * Add ExpectMimalloc parameter * Fetch mimalloc submodule and use mimalloc parameters * Prevent MIMALLOC_VERBOSE aborting tests * Uninstall driver after tests; upload mimalloc artifacts

psql ODBC CI - Use mimalloc to improve performance and reduce memory allocation lock contention (#6) * Add mimalloc submodule and update build script * Add steps to build and test with UseMimalloc * Update mimalloc submodule * Change UseMimalloc parameter type to switch * Add ExpectMimalloc parameter * Fetch mimalloc submodule and use mimalloc parameters * Prevent MIMALLOC_VERBOSE aborting tests * Uninstall driver after tests; upload mimalloc artifacts #46