* Update CI to run on ruby 3.4

Author: PikachuEXE

Diff for: .github/workflows/main.yml

@@ -30,6 +30,7 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
 
     steps:
       - name: Checkout code
@@ -59,7 +60,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
           bundler-cache: true
 
       - name: standardrb