Fix v0.14.3 changelog PR links

These were swapped and pointing at each other's PRs.

CHANGELOG.md

@@ -11,11 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- Dropped internal random generators in favor of `math/rand/v2`, which will have the effect of making code fully incompatible with Go 1.21 (`go.mod` has specified a minimum of 1.22 for some time already though). [PR #690](https://github.com/riverqueue/river/pull/690).
+- Dropped internal random generators in favor of `math/rand/v2`, which will have the effect of making code fully incompatible with Go 1.21 (`go.mod` has specified a minimum of 1.22 for some time already though). [PR #691](https://github.com/riverqueue/river/pull/691).
 
 ### Fixed
 
-- 006 migration now tolerates previous existence of a `unique_states` column in case it was added separately so that the new index could be raised with `CONCURRENTLY`. [PR #691](https://github.com/riverqueue/river/pull/691).
+- 006 migration now tolerates previous existence of a `unique_states` column in case it was added separately so that the new index could be raised with `CONCURRENTLY`. [PR #690](https://github.com/riverqueue/river/pull/690).
 
 ## [0.14.2] - 2024-11-16