Fix some versions links

Author: felipeelia

CHANGELOG.md

@@ -2350,6 +2350,9 @@ This is a bug fix release with some filter additions.
 [3.2.2]: https://github.com/10up/ElasticPress/compare/3.2.1...3.2.2
 [3.2.1]: https://github.com/10up/ElasticPress/compare/3.2...3.2.1
 [3.2.0]: https://github.com/10up/ElasticPress/compare/3.1.1...3.2
+[3.1.4]: https://github.com/10up/ElasticPress/compare/3.1.3...3.1.4
+[3.1.3]: https://github.com/10up/ElasticPress/compare/3.1.2...3.1.3
+[3.1.2]: https://github.com/10up/ElasticPress/compare/3.1.1...3.1.2
 [3.1.1]: https://github.com/10up/ElasticPress/compare/3.1...3.1.1
 [3.1.0]: https://github.com/10up/ElasticPress/compare/3.0.3...3.1
 [3.0.3]: https://github.com/10up/ElasticPress/compare/3.0.2...3.0.3