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

Update copyright year to 2022

Resolves: #97704
Releases: main, 11.5, 10.4
Change-Id: I15e6c0674ac293eecad88f95379ec33679dda8d4
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/74780
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>

INSTALL.md

@@ -2,7 +2,7 @@ INSTALLING TYPO3
 ================
 
 TYPO3 is an open source PHP based web content management system released
-under the GNU GPL. TYPO3 is copyright © 1999-2021 by Kasper Skaarhoj.
+under the GNU GPL. TYPO3 is copyright © 1999-2022 by Kasper Skaarhoj.
 
 Official Installation and Upgrade Guide
 ---------------------------------------

README.md

@@ -2,7 +2,7 @@ TYPO3 CMS
 =========
 
 TYPO3 is an open source PHP based web content management system released
-under the GNU GPL. TYPO3 is copyright (c) 1999-2021 by Kasper Skaarhoj.
+under the GNU GPL. TYPO3 is copyright © 1999-2022 by Kasper Skaarhoj.
 
 This document provides a basic introduction to TYPO3.