Update Kani Metrics (model-checking#393)

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

@@ -402,6 +402,28 @@
       "verified_safe_fns_under_contract": 111,
       "verified_safe_fns_with_loop_under_contract": 0,
       "total_functions_under_contract_all_crates": 356
+    },
+    {
+      "date": "2025-06-22",
+      "total_unsafe_fns": 7259,
+      "total_unsafe_fns_with_loop": 16,
+      "total_safe_abstractions": 1839,
+      "total_safe_abstractions_with_loop": 74,
+      "total_safe_fns": 15872,
+      "total_safe_fns_with_loop": 739,
+      "unsafe_fns_under_contract": 228,
+      "unsafe_fns_with_loop_under_contract": 2,
+      "verified_unsafe_fns_under_contract": 219,
+      "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": 113,
+      "safe_fns_with_loop_under_contract": 0,
+      "verified_safe_fns_under_contract": 111,
+      "verified_safe_fns_with_loop_under_contract": 0,
+      "total_functions_under_contract_all_crates": 356
     }
   ]
 }

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

@@ -285,6 +285,28 @@
       "verified_safe_fns_under_contract": 0,
       "verified_safe_fns_with_loop_under_contract": 0,
       "total_functions_under_contract_all_crates": 356
+    },
+    {
+      "date": "2025-06-22",
+      "total_unsafe_fns": 182,
+      "total_unsafe_fns_with_loop": 12,
+      "total_safe_abstractions": 490,
+      "total_safe_abstractions_with_loop": 46,
+      "total_safe_fns": 4125,
+      "total_safe_fns_with_loop": 189,
+      "unsafe_fns_under_contract": 9,
+      "unsafe_fns_with_loop_under_contract": 0,
+      "verified_unsafe_fns_under_contract": 2,
+      "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": 356
     }
   ]
 }