With increased DB ses_id field size we can switch
from HMAC-MD5 to HMAC-SHA256 in master.

Resolves: #93136
Related: #93131
Releases: master
Change-Id: Ie6151bf1c396863290260dc0d504a25373a52725
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/67221


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>