(MINOR) Bump MSRV to 1.67 (#182)

Resolves issue with toml_edit crate

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows-latest, macos-latest, macos-13-xlarge, ubuntu-latest]
-        rust_version: [stable, 1.66.0]
+        rust_version: [stable, 1.67.0]
 
     steps:
       - name: Checkout repository
@@ -52,7 +52,7 @@ jobs:
       fail-fast: false
       matrix:
         target: [aarch64-unknown-linux-gnu]
-        rust_version: [stable, 1.66.0]
+        rust_version: [stable, 1.67.0]
 
     steps:
       - name: Checkout repository

Cargo.toml

@@ -10,7 +10,7 @@ authors = ["Eric Scouten <scouten@adobe.com>"]
 keywords = ["xmp", "metadata"]
 categories = ["api-bindings"]
 edition = "2021"
-rust-version = "1.66.0"
+rust-version = "1.67.0"
 exclude = [
     "external/xmp_toolkit/docs",
     "external/xmp_toolkit/samples",

README.md

@@ -20,7 +20,7 @@ We welcome contributions to this project. For information on contributing, provi
 
 ## Requirements
 
-The toolkit requires **Rust version 1.66.0** or newer. When a newer version of Rust becomes required, a new minor (1.x.0) version of this crate will be released.
+The toolkit requires **Rust version 1.67.0** or newer. When a newer version of Rust becomes required, a new minor (1.x.0) version of this crate will be released.
 
 ## Crate features