Update Kani Metrics (model-checking#586)

This is an automated PR to update Kani metrics.

The metrics have been updated by running `./scripts/run-kani.sh --run
metrics`.

Co-authored-by: github-merge-queue <118344674+github-merge-queue@users.noreply.github.com>

Author: github-actions[bot]

scripts/kani-std-analysis/metrics-data-core.json

@@ -1150,6 +1150,28 @@
       "verified_safe_fns_under_contract": 112,
       "verified_safe_fns_with_loop_under_contract": 1,
       "total_functions_under_contract_all_crates": 424
+    },
+    {
+      "date": "2026-04-19",
+      "total_unsafe_fns": 7166,
+      "total_unsafe_fns_with_loop": 22,
+      "total_safe_abstractions": 1899,
+      "total_safe_abstractions_with_loop": 90,
+      "total_safe_fns": 16120,
+      "total_safe_fns_with_loop": 783,
+      "unsafe_fns_under_contract": 290,
+      "unsafe_fns_with_loop_under_contract": 3,
+      "verified_unsafe_fns_under_contract": 254,
+      "verified_unsafe_fns_with_loop_under_contract": 1,
+      "safe_abstractions_under_contract": 77,
+      "safe_abstractions_with_loop_under_contract": 0,
+      "verified_safe_abstractions_under_contract": 77,
+      "verified_safe_abstractions_with_loop_under_contract": 0,
+      "safe_fns_under_contract": 115,
+      "safe_fns_with_loop_under_contract": 1,
+      "verified_safe_fns_under_contract": 112,
+      "verified_safe_fns_with_loop_under_contract": 1,
+      "total_functions_under_contract_all_crates": 424
     }
   ]
 }

scripts/kani-std-analysis/metrics-data-std.json

@@ -1033,6 +1033,28 @@
       "verified_safe_fns_under_contract": 0,
       "verified_safe_fns_with_loop_under_contract": 0,
       "total_functions_under_contract_all_crates": 424
+    },
+    {
+      "date": "2026-04-19",
+      "total_unsafe_fns": 183,
+      "total_unsafe_fns_with_loop": 12,
+      "total_safe_abstractions": 517,
+      "total_safe_abstractions_with_loop": 44,
+      "total_safe_fns": 4133,
+      "total_safe_fns_with_loop": 186,
+      "unsafe_fns_under_contract": 10,
+      "unsafe_fns_with_loop_under_contract": 1,
+      "verified_unsafe_fns_under_contract": 7,
+      "verified_unsafe_fns_with_loop_under_contract": 0,
+      "safe_abstractions_under_contract": 0,
+      "safe_abstractions_with_loop_under_contract": 0,
+      "verified_safe_abstractions_under_contract": 0,
+      "verified_safe_abstractions_with_loop_under_contract": 0,
+      "safe_fns_under_contract": 0,
+      "safe_fns_with_loop_under_contract": 0,
+      "verified_safe_fns_under_contract": 0,
+      "verified_safe_fns_with_loop_under_contract": 0,
+      "total_functions_under_contract_all_crates": 424
     }
   ]
 }