chore: add link to changeset

Author: kanej

.changeset/chilled-mails-call.md

@@ -2,4 +2,4 @@
 "@nomicfoundation/hardhat-viem": patch
 ---
 
-Fixed hardhat-viem support for L2 actions when using the optimism chain type
+Fixed hardhat-viem support for L2 actions when using the optimism chain type ([#7096](https://github.com/NomicFoundation/hardhat/pull/7096))