afernandez authored Sep 24, 2019 and Georg Ringer committed Sep 24, 2019

This patch updates some CSS tools to the current version and creates new
CSS builds.

Executed commands:

  yarn add --dev node-sass \
    grunt-stylelint@^0.11.0 \
    grunt-sass@^3.1.0 \
    stylefmt@^6.0.0 \
    autoprefixer@^9.6

  yarn upgrade --pattern postcss --latest

This patch also updates the list of supported browsers, raising minimum
iOS version and dropping Internet Explorer completely.

Resolves: #89251
Releases: master
Change-Id: I5e87a94184b2fe76c57b602266bebbc2c43390de
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/61800


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>