ws-worker image does not rely on root (#1494)

* ws-worker image does not rely on root

* changeset

---------

Co-authored-by: Joe Clark <jclark@openfn.org>

Author: rorymckinley

.changeset/lazy-beds-pay.md

@@ -0,0 +1,5 @@
+---
+'@openfn/ws-worker': minor
+---
+
+Run Docker image as node user

Dockerfile

@@ -24,5 +24,7 @@ RUN pnpm build
 WORKDIR /app/packages/ws-worker
 # ------------------------------------------------------------------------------
 
+USER node
+
 EXPOSE 2222
-CMD [ "node", "./dist/start.js"]
+CMD [ "node", "./dist/start.js"]