chore: up nodejs

[weboko]

Problem

Due to following error:

unhandledRejection ReferenceError: Headers is not defined
    at Object.<anonymous> (/home/jenkins/workspace/website/lab.waku.org/examples/flush-notes/node_modules/next/dist/server/web/spec-extension/adapters/headers.js:32:30)
    at Module._compile (node:internal/modules/cjs/loader:1196:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1250:10)
    at Module.load (node:internal/modules/cjs/loader:1074:32)
    at Function.Module._load (node:internal/modules/cjs/loader:909:12)
    at Module.require (node:internal/modules/cjs/loader:1098:19)
    at Module.mod.require (/home/jenkins/workspace/website/lab.waku.org/examples/flush-notes/node_modules/next/dist/server/require-hook.js:64:28)
    at require (node:internal/modules/cjs/helpers:108:18)
    at Object.<anonymous> (/home/jenkins/workspace/website/lab.waku.org/examples/flush-notes/node_modules/next/dist/server/api-utils/index.js:63:18)
    at Module._compile (node:internal/modules/cjs/loader:1196:14)

It seems that NextJS cannot work in Jenkins due to low version of NodeJS.

Solution

Update NodeJS version

Notes

One of the fixes for #74