[TASK] Update Bootstrap to 5.1.0

This patch updates bootstrap to version 5.1.0, introducing several
bugfixes. See https://github.com/twbs/bootstrap/releases/tag/v5.1.0
for further reference.

In addition, Popovers now contain the option to allow HTML
at any time (HTML is sanitized by default).

Executed commands:

    yarn add bootstrap@^5.1.0 --cwd Build/
    yarn add --dev @types/bootstrap@^5.1.0 --cwd Build/

Resolves: #94752
Releases: master
Change-Id: I22923798288b69e9bcab61d12ce8527030527c31
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70294


Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>