Update changelog for release

Author: jeromekelleher

CHANGELOG.md

@@ -1,11 +1,15 @@
-# 0.1.2 2024-XX-XX
+# 0.1.2 2025-02-04
 
 - Reduce memory requirement for encoding genotypes with large sample sizes
 
 - Transpose default chunk sizes to 1000 variants and 10,000 samples (issue:300)
 
 - Add chunksize options to mkschema (issue:294)
 
+- Add experimental support for local alleles.
+
+- Add experimental support for ``region_index``
+
 Breaking changes
 
 - ICF metadata format version bumped to ensure long-term compatility between numpy 1.26.x