add changelog

docs-src/changelog.md

@@ -2,6 +2,12 @@
 HypoFuzz uses [calendar-based versioning](https://calver.org/), with a
 `YY-MM-patch` format.
 
+## 25.01.2
+
+Hypofuzz now uses [`sys.monitoring`](https://docs.python.org/3/library/sys.monitoring.html) for coverage instrumentation on python 3.12+, resulting in considerable speedups for recent python versions.
+
+Also optimized database disk usage.
+
 ## 25.01.1
 
 The dashboard now respects the current setting profile's database when loading fuzzing progress.