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/shops/GET-shops_market.test.js

@@ -27,7 +27,7 @@ describe('GET /shops/market', () => {
   });
 
   it('can purchase anything returned from the shops object using the /user/purchase route', async () => {
-    await user.update({
+    await user.updateOne({
       balance: 99999999,
       'stats.gp': 99999999,
     });

test/api/v3/integration/shops/GET-shops_time_travelers.test.js

@@ -39,7 +39,7 @@ describe('GET /shops/time-travelers', () => {
   });
 
   it('returns active shop notes and imageName if user has trinkets', async () => {
-    await user.update({
+    await user.updateOne({
       'purchased.plan.consecutive.trinkets': 1,
     });
 
@@ -57,7 +57,7 @@ describe('GET /shops/time-travelers', () => {
   });
 
   it('does not return mystery sets that are already owned', async () => {
-    await user.update({
+    await user.updateOne({
       'items.gear.owned': {
         head_mystery_201606: true, // eslint-disable-line camelcase
         armor_mystery_201606: true, // eslint-disable-line camelcase
@@ -72,7 +72,7 @@ describe('GET /shops/time-travelers', () => {
   });
 
   it('does not return pets and mounts that user already owns', async () => {
-    await user.update({
+    await user.updateOne({
       'items.mounts': {
         'MantisShrimp-Base': true,
       },