update config.yml

Author: blink1073

.evergreen/config.yml

@@ -553,7 +553,7 @@ tasks:
   commands:
     - func: "fetch source"
     - func: "build python release"
-      vars: { PYTHON: /Library/Frameworks/Python.framework/Versions/3.9/bin/python3 }
+      vars: { PYTHON: /Library/Frameworks/Python.framework/Versions/3.10/bin/python3 }
     - func: "upload python release"
 
 - name: "release-python-linux"