Add v6 support for enricher

**Is your feature request related to a problem? Please describe.**
Today enricher does not support flow for v6 traffic.

**Describe the solution you'd like**
Add support for v6 in enricher.

**Describe alternatives you've considered**
NA

**Additional context**
NA

Locate the enricher entry point and any existing flow-processing tests, then trace how current traffic handling works. Done means v6 traffic is supported by the enricher with coverage for the resulting behavior; the issue names no files or tests, so confirm the scope and expected flow with maintainers first.

Written by the indexing model from the issue text.