Set the minimum Rust version to 1.59
nushell uses the strip option in two of its profiles in Cargo.toml.
This option is new in Rust 1.59[0], so this commit adjusts Cargo.toml to
mark 1.59 as the minimum supported Rust version[1].
[0]
[1]
@@ -10,6 +10,7 @@ license = "MIT"
name = "nu"
readme = "README.md"
repository = "https://github.com/nushell/nushell"
+rust-version = "1.59"
version = "0.60.0"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
