Includes year change in Settings.cfg,  Index.rst files and also
README.md, INSTALL.md and SystemEnvironmentBuilder.php

Resolves: #87313
Releases: master, 9.5, 8.7
Change-Id: Ie056e9b7804af4003c2b67ee5e6d87ffd4eb96ba
Reviewed-on: https://review.typo3.org/59381


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: TYPO3com <noreply@typo3.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>