feat: Implement Filesystem and MongoDB provenance writers for PackRun execution context

- Added `FilesystemPackRunProvenanceWriter` to write provenance manifests to the filesystem.
- Introduced `MongoPackRunArtifactReader` to read artifacts from MongoDB.
- Created `MongoPackRunProvenanceWriter` to store provenance manifests in MongoDB.
- Developed unit tests for filesystem and MongoDB provenance writers.
- Established `ITimelineEventStore` and `ITimelineIngestionService` interfaces for timeline event handling.
- Implemented `TimelineIngestionService` to validate and persist timeline events with hashing.
- Created PostgreSQL schema and migration scripts for timeline indexing.
- Added dependency injection support for timeline indexer services.
- Developed tests for timeline ingestion and schema validation.

bench/reachability-benchmark/cases/js/unsafe-eval/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "rb-case-unsafe-eval",
+  "version": "1.0.0",
+  "description": "Reachability benchmark case: unsafe eval in minimal JS handler",
+  "license": "Apache-2.0",
+  "scripts": {
+    "test": "./tests/run-tests.sh"
+  }
+}