docs: update query benchmarks (2.5.1) (#202)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

generated/QUERY-BENCHMARKS.md

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+# Codegraph Query Benchmarks
+
+Self-measured on every release by running codegraph queries on its own graph.
+Latencies are median over 5 runs. Hub target = most-connected node.
+
+| Version | Engine | fnDeps d1 | fnDeps d3 | fnDeps d5 | fnImpact d1 | fnImpact d3 | fnImpact d5 | diffImpact |
+|---------|--------|----------:|----------:|----------:|------------:|------------:|------------:|-----------:|
+| 2.5.1 | native | 1.2 | 2.2 | 2.6 | 1.2 | 1.7 | 2 | 6ms |
+| 2.5.1 | wasm | 1.3 | 2.3 | 2.6 | 1.1 | 1.7 | 2 | 5.7ms |
+
+### Latest results
+
+**Version:** 2.5.1 | **Date:** 2026-03-02
+
+#### Native (Rust)
+
+**Targets:** hub=`buildGraph`, mid=`scan_import_names`, leaf=`crates`
+
+| Metric | Value |
+|--------|------:|
+| fnDeps depth 1 | 1.2ms |
+| fnDeps depth 3 | 2.2ms |
+| fnDeps depth 5 | 2.6ms |
+| fnImpact depth 1 | 1.2ms |
+| fnImpact depth 3 | 1.7ms |
+| fnImpact depth 5 | 2ms |
+| diffImpact latency | 6ms |
+| diffImpact affected functions | 0 |
+| diffImpact affected files | 0 |
+
+#### WASM
+
+**Targets:** hub=`buildGraph`, mid=`scan_import_names`, leaf=`crates`
+
+| Metric | Value |
+|--------|------:|
+| fnDeps depth 1 | 1.3ms |
+| fnDeps depth 3 | 2.3ms |
+| fnDeps depth 5 | 2.6ms |
+| fnImpact depth 1 | 1.1ms |
+| fnImpact depth 3 | 1.7ms |
+| fnImpact depth 5 | 2ms |
+| diffImpact latency | 5.7ms |
+| diffImpact affected functions | 0 |
+| diffImpact affected files | 0 |
+
+<!-- QUERY_BENCHMARK_DATA
+[
+  {
+    "version": "2.5.1",
+    "date": "2026-03-02",
+    "wasm": {
+      "targets": {
+        "hub": "buildGraph",
+        "mid": "scan_import_names",
+        "leaf": "crates"
+      },
+      "fnDeps": {
+        "depth1Ms": 1.3,
+        "depth3Ms": 2.3,
+        "depth5Ms": 2.6
+      },
+      "fnImpact": {
+        "depth1Ms": 1.1,
+        "depth3Ms": 1.7,
+        "depth5Ms": 2
+      },
+      "diffImpact": {
+        "latencyMs": 5.7,
+        "affectedFunctions": 0,
+        "affectedFiles": 0
+      }
+    },
+    "native": {
+      "targets": {
+        "hub": "buildGraph",
+        "mid": "scan_import_names",
+        "leaf": "crates"
+      },
+      "fnDeps": {
+        "depth1Ms": 1.2,
+        "depth3Ms": 2.2,
+        "depth5Ms": 2.6
+      },
+      "fnImpact": {
+        "depth1Ms": 1.2,
+        "depth3Ms": 1.7,
+        "depth5Ms": 2
+      },
+      "diffImpact": {
+        "latencyMs": 6,
+        "affectedFunctions": 0,
+        "affectedFiles": 0
+      }
+    }
+  }
+]
+-->