Fix changelog links

Author: warmwaffles

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## [Unreleased](https://github.com/elixir-sqlite/exqlite/compare/v0.11.1...HEAD)
+## [Unreleased](https://github.com/elixir-sqlite/exqlite/compare/v0.11.2...HEAD)
 
 ## [0.11.2] - 2022-05-13
 ### Changed
@@ -230,6 +230,7 @@
 
 
 [ecto_sqlite3]: <https://github.com/elixir-sqlite/ecto_sqlite3>
+[0.11.2]: https://github.com/elixir-sqlite/exqlite/compare/v0.11.2...v0.11.1
 [0.11.1]: https://github.com/elixir-sqlite/exqlite/compare/v0.11.1...v0.11.0
 [0.11.0]: https://github.com/elixir-sqlite/exqlite/compare/v0.11.0...v0.10.2
 [0.10.2]: https://github.com/elixir-sqlite/exqlite/compare/v0.10.1...v0.10.2