[TASK] Update copyright year in README.md and INSTALL.md

Update copyright year to 2024

Resolves: #102741
Releases: main, 12.4, 11.5
Change-Id: I1a909b221513b5add387d9680193d8deb4285a04
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/82313


Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>