[TASK] Update to Twitter Bootstrap 5.0.0

This change updates the Twitter Bootstrap
dependency to version 5.0.0

See https://blog.getbootstrap.com/2021/05/05/bootstrap-5/
for more details.

Used commands:
> cd Build
> yarn upgrade bootstrap@^5.0.0 @types/bootstrap@^5.0.13
> grunt build

Resolves: #94089
Releases: master
Change-Id: I10cca03662049c354a01ef9ce98ef3840b0443bb
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/69065


Tested-by: core-ci <typo3@b13.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Benjamin Franzke <bfr@qbus.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Benjamin Franzke <bfr@qbus.de>