ci.yml in timezone-1.3.26

- old
+ new

@@ -9,10 +9,10 @@
 jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2']
+        ruby-version: ['2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3']
 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1