patch 9.0.1954: CI: change netrw label in labeller bot

Problem:  CI: change netrw label in labeller bot
Solution: Rename it to 'plugin-netrw'

closes: #13217

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Ken Takata <kentkt@csc.jp>
diff --git a/.github/labeler.yml b/.github/labeler.yml
index 9abc870..6eef8d2 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -55,6 +55,6 @@
 
 termdebug: runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
 
-netrw:
+plugin-netrw:
 - any: ['runtime/plugin/netrwPlugin.vim']
 - any: ['runtime/autoload/netrw*']