chore(AIP-162): fix broken link (#1434)

Author: xyziemba

aip/general/0162.md

@@ -272,6 +272,7 @@ needs to be familiar with a second set of retrieval and identifier methods.
 - **2023-09-01**: AIP was updated to be a sub-collection.
 - **2021-04-27**: Added guidance on returning the resource from Delete Revision.
 
+[aip-142]: ./0142.md
 [alias]: ./0122.md#resource-id-aliases
 [cascading delete]: ./0135.md#cascading-delete
 [UUID4]: https://en.wikipedia.org/wiki/Universally_unique_identifier#Version_4_(random)