cmd/go/internal/modfetch: report the module path for errors in (*codeRepo).Versions
cmd/go/internal/modfetch: report the module path for errors in (*codeRepo).Versions

Updates #34094

Change-Id: Ifd10b51c2b4ebe77c4f8f68726e411f54c13b9c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/194560
Run-TryBot: Bryan C. Mills <1c8aad60184261ccede67f5c63a0d2a3bf3c9ff4@google.com>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Jay Conrod <f3fadaedc813344da5ec13b41e26596889cc5baa@google.com>

CAFxX/go,CAFxX/go,golang/go,golang/go,akutz/go,nawawi/go,CAFxX/go,nawawi/go,cloudflare/go,akutz/go,cloudflare/go,nawawi/go,cloudflare/go,golang/go,golang/go,akutz/go,CAFxX/go,nawawi/go,cloudflare/go,cloudflare/go,CAFxX/go,nawawi/go,akutz/go,golang/go,CAFxX/go,nawawi/go,akutz/go,golang/go,akutz/go,akutz/go,CAFxX/go,akutz/go,nawawi/go,golang/go,golang/go,nawawi/go,cloudflare/go,cloudflare/go,CAFxX/go,cloudflare/go