Update changelog ahead of 2.2.2 release. (#185)

Author: pattisdr

CHANGELOG.md

@@ -14,12 +14,16 @@ The types of changes are:
 - `Fixed` for any bug fixes.
 - `Security` in case of vulnerabilities.
 
-## [Unreleased](https://github.com/ethyca/fideslang/compare/2.2.1...main)
+## [Unreleased](https://github.com/ethyca/fideslang/compare/2.2.2...main)
+
+
+## [2.2.2](https://github.com/ethyca/fideslang/compare/2.2.1...2.2.2)
 
 ### Added
 
 - Give Flexible Legal Basis a default of True [#184](https://github.com/ethyca/fideslang/pull/184)
 
+
 ## [2.2.1](https://github.com/ethyca/fideslang/compare/2.2.0...2.2.1)
 
 ### Added