prepare for release

Author: isaacbrodsky

CHANGELOG.md

@@ -6,6 +6,8 @@ file [H3Core.java](./src/main/java/com/uber/h3core/H3Core.java), and support
 for the Linux x64 and Darwin x64 platforms.
 
 ## Unreleased Changes
+
+## [4.4.0] - 2025-12-12
 ### Added
 - `constructCell`, `isValidIndex`, and `getIndexDigit` functions.
 

gradle.properties

@@ -5,4 +5,4 @@
 org.gradle.configuration-cache=false
 
 # No spaces on the following line, needed by release.yml:
-version=4.3.3-SNAPSHOT
+version=4.4.0