Bump mongoid from 7.5.4 to 9.0.3

Bumps [mongoid](https://github.com/mongodb/mongoid) from 7.5.4 to 9.0.3.
- [Release notes](https://github.com/mongodb/mongoid/releases)
- [Changelog](https://github.com/mongodb/mongoid/blob/master/CHANGELOG.md)
- [Commits](mongodb/mongoid@v7.5.4...v9.0.3)

---
updated-dependencies:
- dependency-name: mongoid
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile

@@ -17,7 +17,7 @@ gem 'haml'
 gem 'htmlentities'
 gem 'kaminari'
 gem 'kaminari-mongoid'
-gem 'mongoid', '7.5.4'
+gem 'mongoid', '9.0.3'
 gem 'omniauth'
 gem 'omniauth-rails_csrf_protection'
 gem 'omniauth-github'

Gemfile.lock

@@ -238,10 +238,10 @@ GEM
     minitest (5.25.1)
     mongo (2.21.0)
       bson (>= 4.14.1, < 6.0.0)
-    mongoid (7.5.4)
-      activemodel (>= 5.1, < 7.1, != 7.0.0)
-      mongo (>= 2.10.5, < 3.0.0)
-      ruby2_keywords (~> 0.0.5)
+    mongoid (9.0.3)
+      activemodel (>= 5.1, < 8.1, != 7.0.0)
+      concurrent-ruby (>= 1.0.5, < 2.0)
+      mongo (>= 2.18.0, < 3.0.0)
     mongoid-compatibility (1.0.0)
       activesupport
       mongoid (>= 2.0)
@@ -545,7 +545,7 @@ DEPENDENCIES
   launchy
   listen (~> 3.3)
   mini_racer
-  mongoid (= 7.5.4)
+  mongoid (= 9.0.3)
   mongoid-rspec
   omniauth
   omniauth-github
@@ -680,7 +680,7 @@ CHECKSUMS
   mini_racer (0.16.0) sha256=b40a76605322b8296a0530b7836e63f47c7766e33c8c8071eded895d23047d09
   minitest (5.25.1) sha256=3db6795a80634def1cf86fda79d2d83b59b25ce5e186fa675f73c565589d2ad8
   mongo (2.21.0) sha256=38c4743733dbb918d8feb197a8f8b9af8ad922dadba8e03f5117c3cabc79339b
-  mongoid (7.5.4) sha256=d3664aa7bf119154f545f99ce9041d9912f203a5afa21f5229a2431c4e929432
+  mongoid (9.0.3) sha256=9797f31f985488551dd724d7264d581813b952b97f364cba2da9d507df59bb1a
   mongoid-compatibility (1.0.0) sha256=08e5770d102258a3b8f39443057de42cde61d465980f182954b1b70d965465e8
   mongoid-rspec (4.2.0) sha256=0811fccdc6dcca21987486208a0f614cc395620ccb7ce884b9bce0b5a677ecc8
   msgpack (1.7.5) sha256=ffb04979f51e6406823c03abe50e1da2c825c55a37dee138518cdd09d9d3aea8