(doc) Update docs for CLI 2.4.0

Update documentation for CLI 2.4.0. This just added a deprecation notice
for the Install-ChocolateyPinnedTaskBarItem function.

Author: vexx32

src/content/docs/en-us/create/functions/install-chocolateypinnedtaskbaritem.mdx

@@ -24,7 +24,7 @@ Install-ChocolateyPinnedTaskBarItem `
 ## Notes
 
 Does not work with SYSTEM, but does not error. It warns with the error
-message.
+message. This command is deprecated and will be removed in version 3.0.0.
 
 ## Aliases