chore: update Lint & build action to use nodejs 16

This is the first time I'm working with actions... I hope this works

.github/workflows/build.yml

@@ -8,6 +8,9 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v1
+            - uses: actions/setup-node@v2
+              with:
+                node-version: '16'
             - name: Cache dependencies
               uses: actions/cache@v1
               with: