Update Dockerfile to Node.js to v16 (#139)

renovate[bot] · renovate-bot · web-flow · commit c2898b2b7a76 · 2021-05-11T08:31:43.000+02:00
Co-authored-by: Renovate Bot &lt;bot@renovateapp.com&gt;
diff --git a/packages/server/Dockerfile b/packages/server/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:10-slim
+FROM node:16-slim
 
 # Install location
 ENV dir /var/www/@ldf/server
