Rust: update rust-analyzer to 0.0.257

Author: Paolo Tranquilli

Cargo.lock

@@ -101,21 +101,21 @@ use_repo(
     "vendor__num_cpus-1.16.0",
     "vendor__proc-macro2-1.0.92",
     "vendor__quote-1.0.38",
-    "vendor__ra_ap_base_db-0.0.256",
-    "vendor__ra_ap_cfg-0.0.256",
-    "vendor__ra_ap_hir-0.0.256",
-    "vendor__ra_ap_hir_def-0.0.256",
-    "vendor__ra_ap_hir_expand-0.0.256",
-    "vendor__ra_ap_ide_db-0.0.256",
-    "vendor__ra_ap_intern-0.0.256",
-    "vendor__ra_ap_load-cargo-0.0.256",
-    "vendor__ra_ap_parser-0.0.256",
-    "vendor__ra_ap_paths-0.0.256",
-    "vendor__ra_ap_project_model-0.0.256",
-    "vendor__ra_ap_span-0.0.256",
-    "vendor__ra_ap_stdx-0.0.256",
-    "vendor__ra_ap_syntax-0.0.256",
-    "vendor__ra_ap_vfs-0.0.256",
+    "vendor__ra_ap_base_db-0.0.257",
+    "vendor__ra_ap_cfg-0.0.257",
+    "vendor__ra_ap_hir-0.0.257",
+    "vendor__ra_ap_hir_def-0.0.257",
+    "vendor__ra_ap_hir_expand-0.0.257",
+    "vendor__ra_ap_ide_db-0.0.257",
+    "vendor__ra_ap_intern-0.0.257",
+    "vendor__ra_ap_load-cargo-0.0.257",
+    "vendor__ra_ap_parser-0.0.257",
+    "vendor__ra_ap_paths-0.0.257",
+    "vendor__ra_ap_project_model-0.0.257",
+    "vendor__ra_ap_span-0.0.257",
+    "vendor__ra_ap_stdx-0.0.257",
+    "vendor__ra_ap_syntax-0.0.257",
+    "vendor__ra_ap_vfs-0.0.257",
     "vendor__rand-0.8.5",
     "vendor__rayon-1.10.0",
     "vendor__regex-1.11.1",