📝 Update release notes

docs/en/docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* 👷 Remove pip cache for Smokeshow as it depends on a requirements.txt. PR [#5700](https://github.com/tiangolo/fastapi/pull/5700) by [@tiangolo](https://github.com/tiangolo).
 * 💚 Fix pip cache for Smokeshow. PR [#5697](https://github.com/tiangolo/fastapi/pull/5697) by [@tiangolo](https://github.com/tiangolo).
 * 👷 Fix and tweak CI cache handling. PR [#5696](https://github.com/tiangolo/fastapi/pull/5696) by [@tiangolo](https://github.com/tiangolo).
 * 👷 Update `setup-python` action in tests to use new caching feature. PR [#5680](https://github.com/tiangolo/fastapi/pull/5680) by [@madkinsz](https://github.com/madkinsz).