Fix PR reference in changelog (#311)

Author: thomashoneyman

CHANGELOG.md

@@ -15,8 +15,8 @@ Other improvements:
 ## [v2023-07-18.1](https://github.com/purescript/trypurescript/releases/tag/v2023-07-18.1)
 
 Other improvements:
-- Bump PureScript to `0.15.10` (#306 by @JordanMartinez)
-- Update to latest package set (#306 by @JordanMartinez)
+- Bump PureScript to `0.15.10` (#310 by @JordanMartinez)
+- Update to latest package set (#310 by @JordanMartinez)
 
 ## [v2023-03-06.1](https://github.com/purescript/trypurescript/releases/tag/v2023-03-06.1)