[tsp-client] Add autorest and plugins as dependencies (#8610)

- Guarantees versions of autorest and plugins are pinned after tsp-client is installed
- Allows consumers to use standard npm commands to manage autorest and plugin versions

Author: mikeharder

tools/tsp-client/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release
 
+## 2024-07-15 - 0.9.3
+
+- Add autorest and plugins as dependencies, and run the packages from their install folders, to guarantee the versions don't change after install.
+
 ## 2024-07-04 - 0.9.2
 
 - Revert `exit(1)` on tsp compile diagnostics.