update snooty.toml for 1.40.0 (#561)

Author: jeff-allen-mongo

snooty.toml

@@ -29,7 +29,7 @@ toc_landing_pages = [
 
 [constants]
 download-page = "`downloads page <https://www.mongodb.com/try/download/compass>`__"
-current-version = "1.39.3"
+current-version = "1.40.0"
 atlas = "MongoDB Atlas"
 
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