rspec.yml in fontist-1.8.13

- old
+ new

@@ -11,22 +11,12 @@
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.experimental }}
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '2.4', '2.5', '2.6', '2.7' ]
+        ruby: [ '2.4', '2.5', '2.6', '2.7', '3.0' ]
         os: [ ubuntu-latest, windows-latest, macos-latest ]
         experimental: [ false ]
-        include:
-          - ruby: '3.0'
-            os: 'ubuntu-latest'
-            experimental: true
-          - ruby: '3.0'
-            os: 'windows-latest'
-            experimental: true
-          - ruby: '3.0'
-            os: 'macos-latest'
-            experimental: true
 
     steps:
       - uses: actions/checkout@master
 
       - uses: ruby/setup-ruby@v1
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