New features

• Celery integration now sends additional data to Sentry to enable new features to guage the health of your queues
• Added a new integration for Cohere
• Reintroduced the last_event_id function, which had been removed in 2.0.0

Other fixes & improvements

• Add tags + data passing functionality to @ai_track (#3071) by @colin-sentry
• fix(tracing): Only propagate headers from spans within transactions (#3070) by @szokeasaurusrex
• ref(metrics): Improve type hints for set metrics (#3048) by @elramen
• ref(scope): Fix get_client typing (#3063) by @szokeasaurusrex
• Auto-enable Anthropic integration + gate imports (#3054) by @colin-sentry
• Made MeasurementValue.unit NotRequired (#3051) by @antonpirker