Download schema in CI

.github/workflows/build.yaml

@@ -15,6 +15,9 @@ jobs:
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2
 
+      - name: Download GQL schema
+        run: "npx graphqurl http://localhost:5020/v2/query --introspect -H 'content-type: application/json' > schema.graphql"
+
       - name: Go Generate
         run: go generate -tags tools -x ./...