build(deps): specify the minor version number of ruby (#1431)

Resolves #1429

.github/workflows/ci.yml

@@ -19,6 +19,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        ruby: ["3.0", "3.1", "3.2"]
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -28,7 +32,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3
+          ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
 
       - name: Setup Node

.github/workflows/pages-deploy.yml.hook

@@ -42,7 +42,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3
+          ruby-version: 3.2
           bundler-cache: true
 
       - name: Build site