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

---------

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

test/api/v3/integration/groups/POST-groups.test.js

@@ -110,7 +110,7 @@ describe('POST /group', () => {
     });
 
     it('creates a party when the user has no chat privileges', async () => {
-      await user.update({ 'flags.chatRevoked': true });
+      await user.updateOne({ 'flags.chatRevoked': true });
       const party = await user.post('/groups', {
         name: partyName,
         type: partyType,
@@ -120,7 +120,7 @@ describe('POST /group', () => {
     });
 
     it('does not require gems to create a party', async () => {
-      await user.update({ balance: 0 });
+      await user.updateOne({ balance: 0 });
 
       const party = await user.post('/groups', {
         name: partyName,