use version 3.4.2 as default

Author: kanutocd

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.2"
+          ruby-version: "3.4.2"
           bundler-cache: true
 
       - name: Run RuboCop
@@ -98,7 +98,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.2"
+          ruby-version: "3.4.2"
           bundler-cache: true
 
       - name: Run bundle audit
@@ -130,7 +130,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.2"
+          ruby-version: "3.4.2"
           bundler-cache: true
 
       - name: Generate documentation
@@ -154,7 +154,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.2"
+          ruby-version: "3.4.2"
           bundler-cache: true
 
       - name: Check dependencies