DOCS-12010: 3.4.17 release

Author: kay-kim

source/release-notes/3.4.txt

@@ -32,7 +32,7 @@ Minor Releases
 
 .. _3.4.17-release-notes:
 
-3.4.17 - Upcoming
+3.4.17 - Sep 7, 2018
 ~~~~~~~~~~~~~~~~~~~~~
 
 - :issue:`SERVER-33857` Missing log redaction due to confusion with