Sitemap image tag support (#68034)
Image Tag should be available in sitemap.xml, which is not currently
support in sitemap.
In this pr, I solved issue #68033 which I faced in my project.
cc @leerob @delbaoliveira @samcx
x-ref:
https://developers.google.com/search/docs/crawling-indexing/sitemaps/image-sitemaps
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Co-authored-by: Jiachi Liu <inbox@huozhi.im>
Co-authored-by: Delba de Oliveira <32464864+delbaoliveira@users.noreply.github.com>
