Disable CI trigger in stable pipeline

Set trigger and pr to none, matching vscode-python-debugger's format.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: bschnurr

build/azure-devdiv-pipeline.stable.yml

@@ -1,8 +1,11 @@
 name: Publish Release
-trigger:
-  branches:
-    include:
-      - refs/tags/*
+trigger: none
+#   branches:
+#     include:
+#       - release*
+#   tags:
+#     include: ['*']
+pr: none
 
 resources:
   repositories: