fix(dns): query inspection records concurrently

[ryanfowler]

Summary

• query DNS inspection record types concurrently over UDP
• pipeline TCP and TLS queries while correlating out-of-order responses
• apply one finite inspection deadline and preserve partial results when one type is dropped

Validation

• cargo fmt --check
• cargo clippy --locked --all-targets --all-features -- -D warnings
• cargo test --locked --all-features --lib --bins
• cargo test --locked --all-features --test cli --test formatting --test grpc --test har --test http --test install --test network --test terminal --test update --test websocket -- --test-threads=2