When recipes fail, the run command now returns a non-zero exit code
instead of always returning nil. Also silences usage message on recipe failure.

Add a custom HTTP module to the tengo secure script environment,
exposing an http.get() function with optional headers and configurable timeout.

Process sink records concurrently using errgroup for better throughput.
Add nil-guard checks for lineage upstreams/downstreams, use getter methods
for labels, and add lineage logging for debugging.

Add MaxCompute dependency handling in optimus extractor alongside BigQuery.
Dependencies are now routed by prefix (bigquery:// or maxcompute://).
Add project_id attribute, MaxCompute URN utilities, and tzdata for timezone
support in Docker images.

Handle maxcompute_jdbc connection type in tableau, mapping it to the
MaxCompute URN format. Falls back to 'default' schema when the schema
matches the project name.