* snapshotter ignores nodes not along a path along those derived from a list of account addresses if one is provided
* config and env updates
* cmd update
* Encode watched address path bytes to hex for comparison
* actually ignore the subtries that are not along the paths of interest
* Fixes for account selective snapshot
* Use non-concurrent iterator when having a single worker
* Only index root node when starting path of an iterator is nil
* Upgrade deps
* Avoid tracking iterators and skip recovery test
* Fix recovery mechanism, use sync Map instead of buffered channels
* Add test for account selective snapshot
* Continue traversal with concurrent iterators with starting path nil
* Use errgroup to simplify error handling with concurrent iterators
* Check if all the nodes are indexed in the recovery test
* Use concurrency safe sync Map in account selective snapshot test
* Only track concurrent iterators and refactor code
* Fix node and recovered path comparison
* Revert back to using buffered channels for tracking iterators
* Add a metric to monitor number of active iterators
* Update docs
* Update seeked path after node is processed
* Return error on context cancellation from subtrie iteration
* Add tests for account selective snapshot recovery
* Explicity enforce concurrent iterator bounds to avoid duplicate nodes
* Update full snapshot test to check nodes being indexed
* Refactor code to simplify snapshot logic
* Remove unnecessary function argument
* Use ctx cancellation for handling signals
* Add descriptive comments
Co-authored-by: prathamesh0 <prathamesh.musale0@gmail.com>