src/cmd/go/testdata/mod/vcs-test.golang.org_git_tagtests.git_v0.1.0.txt

There's a tagtests git repo, but add a proxy version, so we
can test that it's not available in mod_gonoproxy.

-- .mod --
module vcs-test.golang.org/git/tagtests.git
-- .info --
{"Version":"v0.1.0"}
-- tagtests.go --
package tagtests