Bump Rust to 1.69.0
I ran into a problem compiling wasm-bindgen because the version of rust is too old:
error: package `time v0.3.20` cannot be built because it requires rustc 1.63.0 or newer, while the currently active rustc version is 1.60.0
Is it possible to bump it to the latest version rustc 1.69.0 (2023-04-16)?
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