ruby.yml in ruby-masscan-0.2.3

- old
+ new

@@ -7,12 +7,13 @@
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         ruby:
-          - 2.6
-          - 2.7
-          - 3.0
+          - '3.0'
+          - '3.1'
+          - '3.2'
+          - '3.3'
           - jruby
           - truffleruby
     name: Ruby ${{ matrix.ruby }}
     steps:
       - uses: actions/checkout@v2