Bug
1506701 [wpt PR 14025] - Find manifest for download by tags instead of commits, a=testonly
Automatic update from web-platform-testsFind manifest for download by tags instead of commits
This makes it possible to use `./wpt manifest` on a checkout that is
more than 50 commits behind master. The downside is that it will require
more network requests if the most recent tag/tags don't have releases
uploaded.
Add more warnings to make it clearer why it goes wrong when it does.
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wpt-commits:
3657828ff4243fcc2f3b3fa4e7bed34d646ad565
wpt-pr: 14025