Add Rust 1.93.0 to the Rust version blocklist.#1653

dgohman-fastly wants to merge 3 commits intofastly:mainfastly/cli:mainfrom

dgohman-fastly:dgohman-fastly/rust-1.93.0dgohman-fastly/cli:dgohman-fastly/rust-1.93.0Copy head branch name to clipboard