docs: Fix version in change log (#231)

* Update CHANGELOG.md

* Update CHANGELOG.md

Author: cbaker6

CHANGELOG.md

@@ -1,10 +1,10 @@
 # Parse-Swift Changelog
 
 ### main
-[Full Changelog](https://github.com/parse-community/Parse-Swift/compare/1.9.8...main)
+[Full Changelog](https://github.com/parse-community/Parse-Swift/compare/1.9.9...main)
 * _Contributing to this repo? Add info about your change here to be included in the next release_
 
-### 1.9.8
+### 1.9.9
 [Full Changelog](https://github.com/parse-community/Parse-Swift/compare/1.9.8...1.9.9)
 
 __Fixes__