Bump version number

Bump version number to 2.2.12

Author: kylekatarnls

protonvpn_cli/constants.py

@@ -18,4 +18,4 @@
 OVPN_FILE = os.path.join(CONFIG_DIR, "connect.ovpn")
 PASSFILE = os.path.join(CONFIG_DIR, "pvpnpass")
 CLIENT_SUFFIX = "plc"  # ProtonVPN Linux Community
-VERSION = "2.2.10"
+VERSION = "2.2.12"