Test with Rails 8.1.0.beta1 on CI

Author: ankane

.github/workflows/build.yml

@@ -6,6 +6,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - ruby: 3.4
+            gemfile: gemfiles/rails81.gemfile
           - ruby: 3.4
             gemfile: Gemfile
           - ruby: 3.3
@@ -43,4 +45,3 @@ jobs:
 
       - uses: ankane/setup-mongodb@v1
       - run: ADAPTER=mongoid bundle exec rake test
-        if: ${{ matrix.gemfile != 'Gemfile' }}

gemfiles/rails81.gemfile

@@ -10,6 +10,6 @@ gem "sqlite3"
 gem "pg"
 gem "mysql2"
 gem "trilogy"
-# gem "mongoid"
+gem "mongoid"
 gem "browser", "~> 2.0"
 gem "user_agent_parser"