📝 Update release notes

Author: github-actions

docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* ✨ Allow setting `unique` in `Field()` for a column. PR [#83](https://github.com/tiangolo/sqlmodel/pull/83) by [@raphaelgibson](https://github.com/raphaelgibson).
 * 📝 Update docs for models for updating, `id` should not be updatable. PR [#335](https://github.com/tiangolo/sqlmodel/pull/335) by [@kurtportelli](https://github.com/kurtportelli).
 * 🐛 Fix type annotations for `Model.parse_obj()`, and `Model.validate()`. PR [#321](https://github.com/tiangolo/sqlmodel/pull/321) by [@phi-friday](https://github.com/phi-friday).
 * 🐛 Fix `Select` and `SelectOfScalar` to inherit cache to avoid warning: `SAWarning: Class SelectOfScalar will not make use of SQL compilation caching`. PR [#234](https://github.com/tiangolo/sqlmodel/pull/234) by [@rabinadk1](https://github.com/rabinadk1).