Add opaque `metadata` passthrough to SDK tool definitions #1081

Job	Run time
Detect changed paths	6s
Skip (actions)	13s
Analyze (rust)	1m 56s
Analyze (csharp)	20m 29s
Analyze (javascript-typescript)	1m 33s
Analyze (go)	1m 12s
Analyze (python)	2m 43s
Analyze (java-kotlin)	2m 56s
	31m 8s

Provide feedback