Clarify comments in pr-label-assign.yml/yalan2ny

Updated comments for clarity in the PR label assign workflow.

Author: Ascalad

.github/workflows/pr-label-assign.yml

@@ -1,5 +1,5 @@
 name: PR - Label and assign
-
+tab
 # **What it does**: Labels PRs with size and associated products. Updates assignees to match our CODEOWNERS file.
 # **Why we have it**: Easier scanning of repo PRs && backend reporting on our team's work.
 # **Who does it impact**: PCX team