announce the NumPy 2.2.4 release (#841)

Author: charris

content/en/news.md

@@ -442,6 +442,7 @@ Here is a list of NumPy releases, with links to release notes. Bugfix
 releases (only the `z` changes in the `x.y.z` version number) have no new
 features; minor releases (the `y` increases) do.
 
+- NumPy 2.2.4 ([release notes](https://github.com/numpy/numpy/releases/tag/v2.2.4)) -- _16 Mar 2025_.
 - NumPy 2.2.3 ([release notes](https://github.com/numpy/numpy/releases/tag/v2.2.3)) -- _13 Feb 2025_.
 - NumPy 2.2.2 ([release notes](https://github.com/numpy/numpy/releases/tag/v2.2.2)) -- _18 Jan 2025_.
 - NumPy 2.2.1 ([release notes](https://github.com/numpy/numpy/releases/tag/v2.2.1)) -- _21 Dec 2024_.