Update JS dependencies, use Node 16 (#15804)

- Update all JS dependencies to latest version
- Use Node 16 on CI
- Add new lint rules
- Add some gitignore entries for debug files

Co-authored-by: Lauris BH <lauris@nix.lv>

.gitignore

@@ -76,6 +76,8 @@ cpu.out
 /integrations/mssql.ini
 /node_modules
 /yarn.lock
+/yarn-error.log
+/npm-debug.log*
 /public/js
 /public/serviceworker.js
 /public/css