Bump to 0.2.1

Author: tkoyama010

src/skgmsh/__init__.py

@@ -28,7 +28,7 @@
 now = datetime.datetime.now(tz=datetime.timezone.utc)
 
 # major, minor, patch
-version_info = 0, 2, 0
+version_info = 0, 2, 1
 
 # Nice string for the version
 __version__ = ".".join(map(str, version_info))