Update readme.adoc

Author: lihaoyi

readme.adoc

@@ -388,10 +388,11 @@ endif::[]
 
 ** Fix missing text in Java Module Configuration docs {link-pr}/4172[#4172]
 
-* Introduction of the https://mill-build.org/blog/index.html[Mill Engineering Blog],
-  with posts such as https://mill-build.org/blog/1-java-compile.html[How Fast does Java Compile?],
+* New posts to the https://mill-build.org/blog/index.html[Mill Engineering Blog]:
+  https://mill-build.org/blog/1-java-compile.html[How Fast does Java Compile?],
   https://mill-build.org/blog/2-monorepo-build-tool.html[Why Use a Monorepo Build Tool?],
-  and https://mill-build.org/blog/3-selective-testing.html[Faster CI with Selective Testing]
+  https://mill-build.org/blog/3-selective-testing.html[Faster CI with Selective Testing],
+  and https://mill-build.org/blog/4-flaky-tests.html[How to Manage Flaky Tests],
 
 [#0-12-4]
 === 0.12.4 - 2024-12-16