try building only pymongo

Author: blink1073

.evergreen/run-tests.sh

@@ -37,6 +37,6 @@ cleanup_tests() {
 trap "cleanup_tests" SIGINT ERR
 
 # Start the test runner.
-uv run ${UV_ARGS} --reinstall .evergreen/scripts/run_tests.py "$@"
+uv run ${UV_ARGS} --reinstall-package pymongo .evergreen/scripts/run_tests.py "$@"
 
 cleanup_tests()