simplify developer blog link

Author: rbri

README.md

@@ -13,7 +13,7 @@ Version 4.7.0 / November 29, 2024
 
 ### News
 
-**[Developer Blog][15]**
+**[Developer Blog](https://htmlunit.github.io/htmlunit-blog/)**
 
 [HtmlUnit@mastodon][13] | [HtmlUnit@Twitter][3]
 
@@ -240,5 +240,4 @@ Please try to keep your pull requests small (don't bundle unrelated changes) and
 [11]: http://www.mastertheboss.com/java-ee/jsf/how-to-test-jakarta-faces-with-htmlunit-and-arquillian
 [12]: https://github.com/HtmlUnit/htmlunit/releases
 [13]: https://fosstodon.org/@HtmlUnit
-[14]: https://webscraping.ai/faq/htmlunit
-[15]: https://htmlunit.github.io/htmlunit-blog/
+[14]: https://webscraping.ai/faq/htmlunit