[server-ce] upgrade mongo to 6.0 in e2e tests (#23611)

* [server-ce] upgrade mongo to 6.0 in e2e tests

* [server-ce] upgrade mongo to 6.0 for CE dev-env

GitOrigin-RevId: 6a76297d32177a8b5a067d325e74bdb01971af30

develop/docker-compose.yml

@@ -88,7 +88,7 @@ services:
         - history-v1-buckets:/buckets
 
   mongo:
-    image: mongo:5
+    image: mongo:6.0
     command: --replSet overleaf
     ports:
       - "127.0.0.1:27017:27017" # for debugging

server-ce/test/docker-compose.yml

@@ -35,7 +35,7 @@ services:
       MAILTRAP_PASSWORD: 'password-for-mailtrap'
 
   mongo:
-    image: mongo:5.0.17
+    image: mongo:6.0
     command: '--replSet overleaf'
     volumes:
       - ../mongodb-init-replica-set.js:/docker-entrypoint-initdb.d/mongodb-init-replica-set.js
@@ -46,7 +46,7 @@ services:
       # This override is not needed when running the setup after starting up mongo.
       - mongo:127.0.0.1
     healthcheck:
-      test: echo 'db.stats().ok' | mongo localhost:27017/test --quiet
+      test: echo 'db.stats().ok' | mongosh localhost:27017/test --quiet
       interval: 3s
       timeout: 3s
       retries: 30