prep for v4.3.1 release (#464)

Author: ajfriend

CHANGELOG.md

@@ -16,6 +16,12 @@ avoid adding features or APIs which do not map onto the
 
 ## Unreleased
 
+None.
+
+## [4.3.1] - 2025-08-10
+
+- Build wheels for Windows on ARM64 (#463)
+
 ## [4.3.0] - 2025-06-17
 
 - Update `h3lib` to v4.3.0. (#461)

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = 'scikit_build_core.build'
 
 [project]
 name = 'h3'
-version = '4.3.0'
+version = '4.3.1'
 description = "Uber's hierarchical hexagonal geospatial indexing system"
 readme = 'readme.md'
 license = {file = 'LICENSE'}