Update MSRV to Rust 1.86 (#1518)

update MSRV to Rust 1.86

Author: Robbepop

.github/workflows/rust.yml

@@ -107,7 +107,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.83.0
+      - uses: dtolnay/rust-toolchain@1.86.0
       - uses: Swatinem/rust-cache@v2
       - run: >-
           cargo check

Cargo.toml

@@ -19,7 +19,7 @@ resolver = "2"
 authors = ["Robin Freyler <robin.freyler@gmail.com>"]
 repository = "https://github.com/wasmi-labs/wasmi"
 version = "0.46.0"
-rust-version = "1.83"
+rust-version = "1.86"
 edition = "2021"
 readme = "README.md"
 license = "MIT/Apache-2.0"