chore(deps): Update MSRV to v1.69

Author: renovate[bot]

Cargo.toml

@@ -4,7 +4,7 @@ resolver = "2"
 [workspace.package]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.67"  # MSRV
+rust-version = "1.69"  # MSRV
 include = [
   "build.rs",
   "src/**/*",