make deprecation notes better [skip ci]

Author: joshuanianji

src/azure-cli-persistence-forked/NOTES.md

@@ -1,6 +1,6 @@
-## NOTE: This feature is deprecated
+## Deprecation Notes
 
-Please go use [stuartleeks/azure-cli-persistence](https://github.com/stuartleeks/dev-container-features/tree/main/src/azure-cli-persistence) instead (see: [#16](https://github.com/stuartleeks/dev-container-features/pull/16))
+This feature was deprecated after merging [stuartleeks/azure-cli-persistence#16](https://github.com/stuartleeks/dev-container-features/pull/16)
 
 ## OS and Architecture Support