set dev version

Author: lhoestq

setup.py

@@ -197,7 +197,7 @@
 
 setup(
     name="datasets",
-    version="2.2.1",  # expected format is one of x.y.z.dev0, or x.y.z.rc1 or x.y.z (no to dashes, yes to dots)
+    version="2.2.2.dev0",  # expected format is one of x.y.z.dev0, or x.y.z.rc1 or x.y.z (no to dashes, yes to dots)
     description="HuggingFace community-driven open-source library of datasets",
     long_description=open("README.md", encoding="utf-8").read(),
     long_description_content_type="text/markdown",

src/datasets/__init__.py

@@ -17,7 +17,7 @@
 # pylint: enable=line-too-long
 # pylint: disable=g-import-not-at-top,g-bad-import-order,wrong-import-position
 
-__version__ = "2.2.1"
+__version__ = "2.2.2.dev0"
 
 import pyarrow
 from packaging import version