chore: bump MSRV to 1.66

Author: dr-orlovsky

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        toolchain: [ nightly, beta, stable, 1.60.0 ]
+        toolchain: [ nightly, beta, stable, 1.66.0 ]
     steps:
       - uses: actions/checkout@v2
       - name: Install rust ${{matrix.toolchain}}

Cargo.toml

@@ -13,7 +13,7 @@ keywords = ["generics", "derive", "wrap", "patterns"]
 categories = ["data-structures", "rust-patterns", "development-tools"]
 repository = "https://github.com/rust-amplify/amplify-derive"
 homepage = "https://github.com/rust-amplify"
-rust-version = "1.60.0"
+rust-version = "1.66.0"
 edition = "2021"
 license = "Apache-2.0"
 readme = "README.md"

MANIFEST.yml

@@ -3,7 +3,7 @@ Type: Library
 Kind: Free software
 License: Apache-2.0
 Language: Rust
-Compiler: 1.60
+Compiler: 1.66
 Author: Maxim Orlovsky
 Maintained: UBIDECO Institute, Switzerland
 Maintainers: