Bump Kani version to 0.43.0 (rust-lang#2941)

## What's Changed
* Rust toolchain upgraded to `nightly-2023-12-14` by @tautschnig and
@adpaco-aws

**Full Changelog**:
model-checking/kani@kani-0.42.0...kani-0.43.0

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.

---------

Signed-off-by: Felipe R. Monteiro <felisous@amazon.com>

Author: feliperodri

Diff for: CHANGELOG.md

@@ -4,6 +4,13 @@ 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.
 
+## [0.43.0]
+
+###  What's Changed
+* Rust toolchain upgraded to `nightly-2023-12-14` by @tautschnig and @adpaco-aws
+
+**Full Changelog**: https://github.com/model-checking/kani/compare/kani-0.42.0...kani-0.43.0
+
 ## [0.42.0]
 
 ### What's Changed

Diff for: Cargo.lock

@@ -119,7 +119,7 @@ dependencies = [
 
 [[package]]
 name = "build-kani"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "anyhow",
  "cargo_metadata",
@@ -255,7 +255,7 @@ dependencies = [
 
 [[package]]
 name = "cprover_bindings"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "lazy_static",
  "linear-map",
@@ -439,14 +439,14 @@ checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
 
 [[package]]
 name = "kani"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "kani_macros",
 ]
 
 [[package]]
 name = "kani-compiler"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "clap",
  "cprover_bindings",
@@ -467,7 +467,7 @@ dependencies = [
 
 [[package]]
 name = "kani-driver"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "anyhow",
  "cargo_metadata",
@@ -495,7 +495,7 @@ dependencies = [
 
 [[package]]
 name = "kani-verifier"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "anyhow",
  "home",
@@ -504,7 +504,7 @@ dependencies = [
 
 [[package]]
 name = "kani_macros"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "proc-macro-error",
  "proc-macro2",
@@ -514,7 +514,7 @@ dependencies = [
 
 [[package]]
 name = "kani_metadata"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "clap",
  "cprover_bindings",
@@ -1049,7 +1049,7 @@ checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
 
 [[package]]
 name = "std"
-version = "0.42.0"
+version = "0.43.0"
 dependencies = [
  "kani",
 ]

Diff for: Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "kani-verifier"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 description = "A bit-precise model checker for Rust."
 readme = "README.md"

Diff for: cprover_bindings/Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "cprover_bindings"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false

Diff for: kani-compiler/Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "kani-compiler"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false

Diff for: kani-driver/Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "kani-driver"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 description = "Build a project with Kani and run all proof harnesses"
 license = "MIT OR Apache-2.0"

Diff for: kani_metadata/Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "kani_metadata"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false

Diff for: library/kani/Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "kani"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false

Diff for: library/kani_macros/Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "kani_macros"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false

Diff for: library/std/Cargo.toml

@@ -5,7 +5,7 @@
 # Note: this package is intentionally named std to make sure the names of
 # standard library symbols are preserved
 name = "std"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 publish = false

Diff for: tools/build-kani/Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "build-kani"
-version = "0.42.0"
+version = "0.43.0"
 edition = "2021"
 description = "Builds Kani, Sysroot and release bundle."
 license = "MIT OR Apache-2.0"