aws/aws-iot-device-sdk-js-v2 v1.21.4

Bump tar-fs to fix vulnerability

on GitHub

What's Changed

• Update ubuntu in CI by @sfod in #552
• CI small fix by @sbSteveK in #553
• Bump tar-fs from 2.1.1 to 2.1.2 by @dependabot in #549
• Update release script run on latest ubuntu by @xiazhvera in #554
• AutoTag PR for v1.21.4 by @bretambrose in #555

Full Changelog: v1.21.3...v1.21.4