Add python label

Author: jsf9k

.github/labels.yml

@@ -53,6 +53,9 @@
 - color: fcdb45
   description: This pull request is awaiting an action or decision to move forward
   name: on hold
+- color: 3772a4
+  description: Pull requests that update Python code
+  name: python
 - color: ef476c
   description: This issue is a request for information or needs discussion
   name: question