[TASK] Use correct command dispatch in `runTests.sh`

The command dispatch for `-s phpstanGenerateBaseline`
is modified to a simple command dispatch instead of
the bash expansion - which is not needed in this case.

Resolves: #103106
Releases: main, 12.4, 11.5
Change-Id: I771945f2a0751cbf4d350ffe0e8e8f2d78a04d86
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83092


Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>