Buildkite CLI 3.51.0

Changelog

Added

• b778625: Adds an --agent flag to job log for the robots (#885) (@mcncl)

Fixed

• d026562: Fix build watch --pipeline to accept org/slug format (#890) (@claude[bot])

Dependencies

• 1f48565: fix(deps): update module github.com/posthog/posthog-go to v1.16.2 (#891) (@renovate[bot])