📝 Update release notes

Author: tiangolo

README.md

@@ -148,6 +148,7 @@ After using this generator, your new project (the directory created) will contai
 
 ### Latest Changes
 
+* Update to PostgreSQL 12. PR [#148](https://github.com/tiangolo/full-stack-fastapi-postgresql/pull/148). by [@RCheese](https://github.com/RCheese).
 * Use Poetry for package management. Initial PR [#144](https://github.com/tiangolo/full-stack-fastapi-postgresql/pull/144) by [@RCheese](https://github.com/RCheese).
 * Fix Windows line endings for shell scripts after project generation with Cookiecutter hooks. PR [#149](https://github.com/tiangolo/full-stack-fastapi-postgresql/pull/149).
 * Upgrade Vue CLI to version 4. PR [#120](https://github.com/tiangolo/full-stack-fastapi-postgresql/pull/120) by [@br3ndonland](https://github.com/br3ndonland).