[TASK] Relax PackageArtifactBuilder to support PHP 7.1

Composer 2.1 supports PHP 5.3 and higher and to avoid issues during the
deployment or on systems where the CLI version is not equal to the FPM
version, the PackageArtifactBuilder is relaxed to also support PHP 7.1
and higher.

Resolves: #96017
Releases: master
Change-Id: I008368c2dbdb2023eb95bdc3650f2e00f528eb23
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72220


Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Helmut Hummel <typo3@helhum.io>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Helmut Hummel <typo3@helhum.io>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>