update release number in snooty.toml

Author: jeff-allen-mongo

snooty.toml

@@ -197,7 +197,7 @@ package-branch = "4.4" # For rc = testing.  For GA, will be 4.2.
 windows-dir-version = "4.4" # The wizard installs in 4.2 branch
 version = "4.4"
 version-dev = "4.3"
-release = "4.4.15"
+release = "4.4.16"
 pgp-version = "{+version+}"
 package-name-org = "mongodb-org"
 package-name-enterprise = "mongodb-enterprise"