Add rust-version in Cargo.toml
@@ -4,6 +4,7 @@ description = "A modern replacement for ls"
authors = ["Benjamin Sago <ogham@bsago.me>"]
categories = ["command-line-utilities"]
edition = "2018"
+rust-version = "1.56.1"
exclude = ["/devtools/*", "/Justfile", "/Vagrantfile", "/screenshots.png"]
readme = "README.md"
homepage = "https://the.exa.website/"
