api-gateway: bump to 0.0.81-20251016082112-1c4f5a64
From 0.0.80-20251007081037-0f1e1046 To 0.0.81-20251016082112-1c4f5a64 See https://gitlab.wikimedia.org/repos/cloud/toolforge/api-gateway/-/releases
Bug: T127367 Signed-off-by: David Caro dcaro@wikimedia.org