Add support for Mongoid 9

Author: asgerb

Diff for: .github/workflows/ci.yml

@@ -15,6 +15,9 @@ jobs:
           - { ruby: '3.0', mongodb: '4.4', gemfile: 'mongoid-8.0' }
           - { ruby: '3.1', mongodb: '4.4', gemfile: 'mongoid-8.0' }
           - { ruby: '3.2', mongodb: '4.4', gemfile: 'mongoid-8.0' }
+          - { ruby: '3.1', mongodb: '7.3', gemfile: 'mongoid-9.0' }
+          - { ruby: '3.2', mongodb: '7.3', gemfile: 'mongoid-9.0' }
+          - { ruby: '3.3', mongodb: '7.3', gemfile: 'mongoid-9.0' }
     name: test (ruby=${{ matrix.entry.ruby }}, mongodb=${{ matrix.entry.mongodb }}), gemfile=${{ matrix.entry.gemfile }})
     env:
       BUNDLE_GEMFILE: gemfiles/${{ matrix.entry.gemfile }}.gemfile

Diff for: CHANGELOG.md

@@ -1,5 +1,6 @@
 ### Unreleased - TBD
 
+* Add support for Mongoid 9 - [@asgerb](https://github.com/asgerb)
 * Your contribution here.
 
 ### 2.5.0 (2023/01/19)

Diff for: gemfiles/mongoid-9.0.gemfile

@@ -0,0 +1,6 @@
+source 'https://rubygems.org'
+
+gem 'mongoid', '~> 9.0.0'
+gem 'rails', '~> 7.0'
+
+gemspec path: '../'

Diff for: mongoid-grid_fs.gemspec

@@ -24,5 +24,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rubocop', '~> 1.36.0'
 
   spec.add_dependency 'mime-types', '>= 1.0', '< 4.0'
-  spec.add_dependency 'mongoid',    '>= 3.0', '< 9.0'
+  spec.add_dependency 'mongoid',    '>= 3.0', '< 10.0'
 end