Change version to v2.2.2

wanghaoshuang · wanghaoshuang · commit d71f504928ad · 2022-01-18T09:37:39.000Z
diff --git a/paddleslim/version.py b/paddleslim/version.py
@@ -14,4 +14,4 @@
 # limitations under the License.
 """ PaddleSlim version string """
 __all__ = ["slim_version"]
-slim_version = "2.2.1"
+slim_version = "2.2.2"
