Upgrade to mongoose 7 (#14971)

* remove some unused dependencies

* update mongoose version

* make common tests pass

* Make unit tests pass

* make api v3 integration tests pass

* fix lint issues

* fix issue with package-lock

* fix(lint): we don't need no .js

* fix(lint): update to latest config-habitrpg

* chore(npm): update package locks

* fix(test): replace deprecated fn

* chore(package): update eslint-habitrpg again

* fix(lint): server linting

* fix(lint): client linting

* fix(client): correct mangled common imports

* chore(npm): update package-locks

* fix(lint): punctuation, module

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Co-authored-by: SabreCat <sabrecat@gmail.com>
Co-authored-by: SabreCat <sabe@habitica.com>

website/server/controllers/api-v3/tasks/groups.js

@@ -175,7 +175,7 @@ api.groupMoveTask = {
       }
       const fixQuery = { $set: {} };
       fixQuery.$set[`tasksOrder.${task.type}s`] = order;
-      await group.update(fixQuery).exec();
+      await group.updateOne(fixQuery).exec();
     }
 
     moveTask(order, task._id, to);