ci.yml in rspec-become-matcher-0.1.2

- old
+ new

@@ -1,16 +1,16 @@
 on: [push]
 
 jobs:
   build:
-    runs-on: ubuntu-16.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ["2.4", "2.5", "2.6", "2.7"]
+        ruby: ["3.1", "3.2", "3.3"]
     name: Ruby ${{ matrix.ruby }} sample
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-ruby@v1
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
       - run: |
           gem install bundler
           bundle install --jobs 4 --retry 3