[TASK] Display correct name in `runTests.sh` help text

This change modifies the `runTests.sh` helptext to mention
the `checkIntegrityPhp` correctly added with #103465.

Resolves: #103930
Related: #103465
Releases: main
Change-Id: I0ffdb66236bbc0c82f702cf960bf9462dedbdfcf
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/84419


Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Benjamin Franzke <ben@bnf.dev>