Fix failing GitHub Action for publishing docs

[georgimld]

• I have searched the issues of this repository and believe that this is not a duplicate.

Description 😯

Fix failing GitHub action, that fails during Run echo "Generating api documentation" && cd api && npm ci --no-audit && npm run build-docs, probably during the npm ci --no-auditcommand. This action is triggered only during release, but there should be a way to test it locally.

[SamuelPull]

Github action tested locally with https://github.com/nektos/act .
Bumping node-version: from "12.x" to "16.x" fixed the error.