Upgrade stable branch to Rust 1.86.0

CHANGELOG.md

@@ -4,6 +4,23 @@ This file contains notable changes (e.g. breaking changes, major changes, etc.)
 
 This file was introduced starting Kani 0.23.0, so it only contains changes from version 0.23.0 onwards.
 
+## [0.59.0]
+
+### Breaking Changes
+* Deprecate `--enable-unstable` and `--restrict-vtable` by @celinval in https://github.com/model-checking/kani/pull/3859
+* Do not report arithmetic overflow for floating point operations that produce +/-Inf by @rajath-mk in https://github.com/model-checking/kani/pull/3873
+
+### What's Changed
+* Fix validity checks for `char` by @celinval in https://github.com/model-checking/kani/pull/3853
+* Support verifying contracts/stubs for generic types with multiple inherent implementations by @carolynzech in https://github.com/model-checking/kani/pull/3829
+* Allow multiple stub_verified annotations, but check for duplicate targets by @remi-delmas-3000 in https://github.com/model-checking/kani/pull/3808
+* Fix crash if a function pointer is created but never used by @celinval in https://github.com/model-checking/kani/pull/3862
+* Fix transmute codegen when sizes are different by @celinval in https://github.com/model-checking/kani/pull/3861
+* Stub linker to avoid missing symbols errors by @celinval in https://github.com/model-checking/kani/pull/3858
+* Toolchain upgrade to nightly-2025-01-28 by @feliperodri @tautschnig
+
+**Full Changelog**: https://github.com/model-checking/kani/compare/kani-0.58.0...kani-0.59.0
+
 ## [0.58.0]
 
 ### Major/Breaking Changes