update snooty.toml release date and year constants (#216)

Author: ianf-mongodb

snooty.toml

@@ -192,7 +192,7 @@ compass = "MongoDB Compass"
 mdb-shell = "MongoDB Shell"
 copy = "©"
 ent-build = "MongoDB Enterprise"
-year = "2021"
+year = "2022"
 bi = "MongoDB Connector for BI"
 version = "{+version+}"
 
@@ -203,7 +203,7 @@ windows-dir-version = "5.0" # wizard
 package-name-org = "mongodb-org"
 package-name-enterprise = "mongodb-enterprise"
 version = "5.0"
-release = "5.0.2"
+release = "5.1.2"
 version-dev = "5.1"
 pgp-version = "{+version+}"
 rsa-key = "4B7C549A058F8B6B"