Update release-notes/v1_103.md

Co-authored-by: Raymond Zhao <[email protected]>

Author: eli-w-king

release-notes/v1_103.md

@@ -118,7 +118,7 @@ Early terminal auto approve settings were introduced last month. This release th
 - We merged the `allowList` and `denyList` settings into the `setting(chat.tools.terminal.autoApprove)` setting. If you were using the old settings, you should see a warning asking you to migrate to the new setting.
 - Regular expression matchers now support flags. This allows case insensitivity, for example in PowerShell, where case often doesn't matter:
 
-    ```json
+    ```jsonc
     "chat.tools.terminal.autoApprove": {
       // Deny any `remote-item` command, regardless of case
       "/^Remove-Item\\b/i": false