sitemap: various bug fixes (!24578) · Merge requests · Administrator / sourcegraph · GitLab

Administrator requested to merge sg/sitemap-bug-fixes into main Sep 03, 2021

Created by: slimsag

Correct URL generation
Also redirect individual sitemaps sourcegraph.com/sitemap_001.xml.gz -> GCS, because Google Search Console doesn't seem to be able to pick them up if they are GCS URLs.