Support rails from 7.0 and ruby from 3.1

.github/workflows/ci.yml

@@ -8,11 +8,11 @@ jobs:
       fail-fast: false
       matrix:
         # To keep matrix size down, only test highest and lowest rubies.
-        ruby: ["2.7", "3.3"]
-        rails: ["6.1", "7.0", "7.1", "7.2"]
-        exclude:
-          - ruby: "2.7"
-            rails: "7.2"
+        ruby: ["3.1", "3.3"]
+        rails: ["7.0", "7.1", "7.2", "8.0"]
+        # exclude:
+          # - ruby: "2.7"
+            # rails: "7.2"
     name: Ruby ${{ matrix.ruby }}, Rails ${{ matrix.rails }}
     runs-on: ubuntu-latest
     env:

Gemfile

@@ -16,11 +16,11 @@ group :development do
   gem "rspec"
   gem "sequel"
   gem "sqlite3", "~> 1.7.0"
+  gem "rubocop", "~> 1.68"
 
   group :mongo do
     gem "bson"
     gem "mongoid", "~> 9.0"
   end
 end
 
-gem "rubocop", "~> 1.68", group: :development

datagrid.gemspec

@@ -33,5 +33,5 @@ Gem::Specification.new do |s|
     "rubygems_mfa_required" => "true",
   }
 
-  s.add_dependency "railties", ">= 6.1"
+  s.add_dependency "railties", ">= 7.0"
 end