v6.2.0 Possibly breaking changes: * Make Stats::avg_locality optional (gRPC protocol) * Remove support for Fmph (library) New features (Rust library): * Relax bound on load_properties closure Fixes (gRPC server): * Make Stats::avg_locality optional * Generate graph.stats as part of graph compression New features (gRPC server): * Add StatsD metric traversal_returned_nodes_total Fixes (misc): * origin-contributors: Fix crash on origins with unknown URL * Update scancode * compressed_graph: Cleanup new temporary files before upload New features (misc): * Add swh-graph-convert to serialize small graphs to JSON * provenance: Make executables writing Parquet files reusable as a library * Add aggregated content dataset * Add 'generations' index as a compact and faster alternative to the topological order * Automate subdataset creation Improvements: * Update DeanonymizeOriginContributors to the file layout used by >= 2024-08 graphs Documentation: * Add examples to GraphBuilder documentation * Add missing descriptions of top-level modules * Document other services implemented by the gRPC server