Upgraded MongoDB to 7.0.28 to fix mongobleed at Snap Candidate.

Thanks to developers of MongoDB !

snapcraft.yaml

@@ -78,7 +78,7 @@ apps:
 
 parts:
     mongodb:
-        source: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu2204-7.0.25.tgz
+        source: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu2204-7.0.28.tgz
         plugin: dump
         stage-packages:
             - libssl3