[TASK] Update frontend build step to node14 and yarn v1.22

Node 14 is the latest LTS version for NodeJS, and
yarn v1.22 was the latest version for a long time.

Resolves: #92991
Releases: master, 10.4
Change-Id: I7256865717a839cda5ea20be4b67a6a3dca3ede2
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/66998


Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: TYPO3com <noreply@typo3.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Simon Gilli <typo3@gilbertsoft.org>