[BUGFIX] Wrong URLs in sitemap index

[kitzberger]

With ceed25b226d6e8fed3ab5687f5616a950e257e8a the URLs to the single sitemaps changed and are now pointing to the API variant of the URL.

What are proxyUrl and storageProxyUrl? And viewhelper headless:domain? They aren't mentioned in the docs :thinking:

[coveralls]

Pull Request Test Coverage Report for Build 9205381149

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 65.949%

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Totals
Change from base Build 9160813032:	0.0%
Covered Lines:	949
Relevant Lines:	1439

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💛 - Coveralls

[kitzberger]

As @twoldanski explained on slack, this PR is obsolete. See https://typo3.slack.com/archives/CDJK80WV6/p1716455761107469

Solution was to set this in the site's settings.yaml:

headless:
  sitemap:
    key: frontendBase