update ci

.github/workflows/gempush.yml

@@ -10,10 +10,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Ruby 2.6
+    - name: Set up Ruby 3.3
       uses: ruby/[email protected]
       with:
-        ruby-version: 2.6.5
+        ruby-version: 3.3.0
 
     - name: Run Test Cases
       run: |

.github/workflows/test.yml

@@ -9,10 +9,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Set up Ruby 2.6
+      - name: Set up Ruby 3.3
         uses: ruby/[email protected]
         with:
-          ruby-version: 2.6.5
+          ruby-version: 3.3.0
       - name: Build and test with Rake
         run: |
           gem install bundler