Modernize gem.

Author: ioquatix

.github/workflows/rubocop.yaml

@@ -9,26 +9,14 @@ env:
   CONSOLE_OUTPUT: XTerm
 
 jobs:
-  test:
-    name: ${{matrix.ruby}} on ${{matrix.os}}
-    runs-on: ${{matrix.os}}-latest
-    
-    strategy:
-      matrix:
-        os:
-          - ubuntu
-          - macos
-        
-        ruby:
-          - "3.1"
-          - "3.2"
-          - "3.3"
+  check:
+    runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: ${{matrix.ruby}}
+        ruby-version: ruby
         bundler-cache: true
 
     - name: Run RuboCop

test/db/postgres/connection/date_time.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2018-2024, by Samuel Williams.
+# Copyright, 2024, by Samuel Williams.
 
 require 'db/postgres/connection'
 require 'sus/fixtures/async'