DOC-1549 Update docs version dropdown for 1.12.2 release (#32813)

## Summary & Motivation

See title

## How I Tested These Changes

## Changelog

> Insert changelog entry or delete this section.

Signed-off-by: nikki everett <[email protected]>

Author: neverett

docs/docusaurus.config.ts

@@ -222,7 +222,7 @@ const config: Config = {
           lastVersion: 'current',
           versions: {
             current: {
-              label: 'Latest (1.12.1)',
+              label: 'Latest (1.12.2)',
               path: '/',
             },
           },