Fix yaml indent (#59)

.github/workflows/versions.yml

@@ -65,10 +65,12 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+
       - name: setup-go ${{ matrix.go }}
         uses: ./
         with:
           go-version: ${{ matrix.go }}
+
       - name: verify go
         run: __tests__/verify-go.sh ${{ matrix.go }}
         shell: bash