Upgraded Snap candidate MongoDB versions.

Thanks to MongoDB developers !

snapcraft.yaml

@@ -65,7 +65,7 @@ apps:
 
 parts:
     mongodb:
-        source: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu2004-5.0.10.tgz
+        source: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu2004-5.0.11.tgz
         plugin: dump
         stage-packages:
             - libssl1.1
@@ -91,7 +91,7 @@ parts:
             - $mongo
 
     mongodb44:
-        source: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu2004-4.4.15.tgz
+        source: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu2004-4.4.16.tgz
         plugin: dump
         organize:
           bin: mongo44bin