DOCS-14431 finalize release 4.4.6 changelog

Author: andf-mongodb

snooty.toml

@@ -192,7 +192,7 @@ 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 = "4.4.5"
+release = "4.4.6"
 pgp-version = "{+version+}"
 package-name-org = "mongodb-org"
 package-name-enterprise = "mongodb-enterprise"

source/release-notes/4.4.txt

@@ -15,8 +15,8 @@ Minor Releases
 
 .. _4.4.6-release-notes:
 
-4.4.6 - Upcoming
-~~~~~~~~~~~~~~~~
+4.4.6 - May 10, 2021
+~~~~~~~~~~~~~~~~~~~~
 
 Issues fixed: