update release version 0.21.1

Author: tomkralidis

debian/changelog

@@ -1,3 +1,9 @@
+pygeometa (0.21.1) noble; urgency=medium
+
+  * fix pygeometa.schemas.helpers:generate_datetime
+
+ -- Tom Kralidis <tomkralidis@gmail.com>  Tue, 28 Apr 2026 06:01:34 +0000
+
 pygeometa (0.21.0) noble; urgency=medium
 
   * handle multiple MCF spatial extents as GeoJSON MultiPolygon geometries

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "pygeometa"
-version = "0.22.dev0"
+version = "0.21.1"
 description = "pygeometa is a Python package to manage metadata for geospatial dataset"
 readme = "README.md"
 requires-python = ">=3.12"