[BUGFIX] Exclude `gad_source` parameter from cHash calculation

Google gradually rolls out the `gad_source` parameter as a replacement
for the already excluded `gad` parameter.

This patch modifies the exclude list.

Resolves: #103264
Releases: main, 12.4, 11.5
Change-Id: I4feacd48ed2cd1640e4d7a4ba95470e8702303d0
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83194


Reviewed-by: Andreas Kienast <a.fernandez@scripting-base.de>
Tested-by: Andreas Nedbal <andy@pixelde.su>
Reviewed-by: Andreas Nedbal <andy@pixelde.su>
Tested-by: Andreas Kienast <a.fernandez@scripting-base.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Jonas Eberle <flightvision@googlemail.com>
Reviewed-by: Jonas Eberle <flightvision@googlemail.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>