Add tests and implement timeline ingestion options with NATS and Redis subscribers

- Introduced `BinaryReachabilityLifterTests` to validate binary lifting functionality.
- Created `PackRunWorkerOptions` for configuring worker paths and execution persistence.
- Added `TimelineIngestionOptions` for configuring NATS and Redis ingestion transports.
- Implemented `NatsTimelineEventSubscriber` for subscribing to NATS events.
- Developed `RedisTimelineEventSubscriber` for reading from Redis Streams.
- Added `TimelineEnvelopeParser` to normalize incoming event envelopes.
- Created unit tests for `TimelineEnvelopeParser` to ensure correct field mapping.
- Implemented `TimelineAuthorizationAuditSink` for logging authorization outcomes.

docs/modules/scanner/fixtures/deterministic-compose/fragment-layer2.json

@@ -0,0 +1 @@
+{"components":[{"evidence":{"contentHash":"sha256:8ab103fed58e7dc0b1819b7358126d1c44cc979f409775888b859504a829148b","licenses":["MIT"],"paths":["/workspace/node_modules/express"]},"identity":{"purl":"pkg:npm/express@4.18.2"},"source":"npm"}],"generatedAtUtc":"2025-12-01T00:00:00Z","layerDigest":"sha256:2222222222222222222222222222222222222222222222222222222222222202","schemaVersion":"1.0"}