Remove Xcode 9.0, Add 10.1, 10.2.1, 10.3 from workflow test

Author: sinoru

.github/workflows/workflow.yml

@@ -5,9 +5,10 @@ jobs:
     name: Run
     runs-on: ${{ matrix.operating-system }}
     strategy:
+      fail-fast: false
       matrix:
         operating-system: [macOS-latest]
-        xcode-version: ["9.0", "10.0", "11.0", "11.1", "11.2.1"]
+        xcode-version: ["10.0", "10.1", "10.2.1", "10.3", "11.0", "11.1", "11.2.1"]
     steps:
     - uses: actions/checkout@v1
     - name: Setup Xcode