Changelog: add another migration example

Bodigrim · Bodigrim · commit 29ac5b50fdcd · 2024-07-27T09:54:06.000+01:00
diff --git a/changelog.md b/changelog.md
@@ -40,6 +40,7 @@
   * [`cabal-install`](https://github.com/haskell/cabal/commit/51e6483f95ecb4f395dce36e47af296902a75143)
   * [`ghcup`](https://github.com/haskell/ghcup-hs/commit/6ae312c1f9dd054546e4afe4c969c37cd54b09a9)
   * [`hackage-server`](https://github.com/haskell/hackage-server/commit/6b71d1659500aba50b6a1e48aa53039046720af8)
+  * [`hedgehog-extras`](https://github.com/input-output-hk/hedgehog-extras/commit/1d4468ce4e74e7a4b3c1fec5c1b21360051a3e72)
 
   Bug fixes:
 
