ruby.yml in tracking_number-1.6.1

- old
+ new

@@ -4,10 +4,10 @@
   test:
     strategy:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest ]
-        ruby: [ '2.6', '2.7', '3.0', '3.1', '3.2' ]
+        ruby: [ '3.0', '3.1', '3.2', '3.3' ]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
       with:
         submodules: true