Correct(?) package name
Correct(?) package name

If  `@myrepo//` and `//` are not part of the package name, then the label has at least 3 parts, so I'm assuming my change is correct.  If not, please correct me.

Closes #13031.

PiperOrigin-RevId: 358840666

meteorcloudy/bazel,twitter-forks/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,twitter-forks/bazel,bazelbuild/bazel,katre/bazel,cushon/bazel,twitter-forks/bazel,katre/bazel,perezd/bazel,katre/bazel,meteorcloudy/bazel,katre/bazel,perezd/bazel,cushon/bazel,ButterflyNetwork/bazel,perezd/bazel,cushon/bazel,perezd/bazel,meteorcloudy/bazel,twitter-forks/bazel,meteorcloudy/bazel,meteorcloudy/bazel,twitter-forks/bazel,bazelbuild/bazel,bazelbuild/bazel,meteorcloudy/bazel,meteorcloudy/bazel,perezd/bazel,ButterflyNetwork/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,cushon/bazel,perezd/bazel,perezd/bazel,bazelbuild/bazel,twitter-forks/bazel,cushon/bazel,katre/bazel,katre/bazel,twitter-forks/bazel,cushon/bazel