Merge pull request #468 from github/oreoshake-patch-1

Update ruby build scripts and bump test matrix versions

Author: oreoshake

.github/workflows/build.yml

@@ -7,12 +7,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [ '2.4', '2.5', '2.6', '2.7' ]
+        ruby: [ '2.5', '2.6', '2.7', '3.0' ]
 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby ${{ matrix.ruby }}
-      uses: actions/setup-ruby@v1
+      uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
     - name: Build and test with Rake