Update docker-library images

- `mongo`: 3.2.12

library/mongo

@@ -13,12 +13,12 @@ GitCommit: a51b641c84e1a8d543b6a234a090f8263188139a
 Directory: 3.0/windows/windowsservercore
 Constraints: windowsservercore
 
-Tags: 3.2.11, 3.2
-GitCommit: 30d09dbd6343d3cbd1bbea2d6afde49f5d9a9295
+Tags: 3.2.12, 3.2
+GitCommit: 5c0e43ac8eba7c2fb8cc3de9542f48b31c48da14
 Directory: 3.2
 
-Tags: 3.2.11-windowsservercore, 3.2-windowsservercore
-GitCommit: 21a6f6cf3eff13a39b20c86224730a29823370ca
+Tags: 3.2.12-windowsservercore, 3.2-windowsservercore
+GitCommit: 5c0e43ac8eba7c2fb8cc3de9542f48b31c48da14
 Directory: 3.2/windows/windowsservercore
 Constraints: windowsservercore