Update SRGAnalytics to 9.1.5

[pyby]

Description

The SRG Analytics team asked an analytics update:
See https://github.com/SRGSSR/srganalytics-apple/releases/tag/9.1.5

Changes Made

• Update SRGAnalytics to from 9.14. to 9.1.5.

No custom comScore info are set in SRGAnalyticsPageViewLabels, so no change to do.

Checklist

• I have followed the project's style guidelines.
• I have performed a self-review of my own changes.
• I have made corresponding changes to the documentation.
• My changes do not generate new warnings.
• I have tested my changes and I am confident that it works as expected and doesn't introduce any known regressions.
• I have reviewed the contribution guidelines.