imp: bump rustyline to 8.0.0 (#3167)

* imp: bump rustyline to 8.0.0

* fix: rustyline 8 keybindings

* fix: commands count/length test

Co-authored-by: alexhk <alexhk@protonmail.com>

crates/nu-command/Cargo.toml

@@ -78,7 +78,7 @@ rayon = "1.5.0"
 regex = "1.4.3"
 roxmltree = "0.14.0"
 rust-embed = "5.9.0"
-rustyline = { version = "7.1.0", optional = true }
+rustyline = { version = "8.0.0", optional = true }
 serde = { version = "1.0.123", features = ["derive"] }
 serde_bytes = "0.11.5"
 serde_ini = "0.2.0"

crates/nu-command/tests/commands/open.rs

@@ -245,7 +245,7 @@ fn open_dir_is_ls() {
             cwd: dirs.test(), pipeline(
             r#"
                 open .
-                | count
+                | length
             "#
         ));