chore: bump version from 4.1.0 to 4.2.0

Author: ahnv

setup.py

@@ -8,7 +8,7 @@
 
 setuptools.setup(
     name="imagekitio",
-    version="4.1.0",
+    version="4.2.0",
     description="Python wrapper for the ImageKit API",
     long_description=long_description,
     long_description_content_type="text/markdown",