All frontend stack related packages get updated to their latest version
and a full build is generated.

Executed commands:

  yarn add \
    @typescript-eslint/eslint-plugin@^2.10.0 \
    @typescript-eslint/parser@^2.10.0 \
    @typescript-eslint/typescript-estree@^2.10.0 \
    autoprefixer@^9.7.3 \
    eslint@^6.7.2 \
    grunt-stylelint@^0.12.0 \
    grunt-terser@^1.0.0 \
    karma@^4.4.1 \
    node-sass@^4.13.0 \
    typescript@^3.7.2 --dev
  yarn build

Resolves: #89804
Releases: master
Change-Id: I48f00a01fb4191b39e76e0859d1f1476644ad07b
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62486


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Richard Haeser <richard@maxserv.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Richard Haeser <richard@maxserv.com>