Recreate yarn.lock & update node version

Author: jmattheis

.github/workflows/build.yml

@@ -9,6 +9,8 @@ jobs:
         with:
           go-version: 1.16.x
       - uses: actions/setup-node@v1
+        with:
+          node-version: '16'
       - uses: actions/cache@v2
         with:
           path: ~/go/pkg/mod