Bump locust tag.
Bump locust tag.

See https://github.com/gpii-ops/gpii-infra/pull/369.

mrtyler/gpii-infra,mrtyler/gpii-infra,mrtyler/gpii-terraform,mrtyler/gpii-infra,mrtyler/gpii-infra,mrtyler/gpii-terraform,mrtyler/gpii-terraform