Bump version to 0.2.2

CHANGELOG.md

@@ -1,4 +1,4 @@
-# v0.2.2 (2022-01-??, unreleased)
+# v0.2.2 (2022-01-15)
 
 Target signald version: [v0.16.1](https://gitlab.com/signald/signald/-/releases/0.16.1)
 

mautrix_signal/__init__.py

@@ -1,2 +1,2 @@
-__version__ = "0.2.1"
+__version__ = "0.2.2"
 __author__ = "Tulir Asokan <tulir@maunium.net>"