Merge pull request #7558 from microsoft/fix-output-codeblock

Fix codeblock language

release-notes/v1_93.md

@@ -361,7 +361,7 @@ The following code snippet shows how to define a set of instructions from both s
 
 Content of `myProject/code-style.md`:
 
-```output
+```markdown
 Always use React functional components.
 Always add comments.
 ```