update a few nushell dependencies (#6291)

* update a few nushell dependencies

* update a test

crates/nu-command/Cargo.toml

@@ -71,12 +71,12 @@ rust-embed = "6.3.0"
 serde = { version="1.0.123", features=["derive"] }
 serde_ini = "0.2.0"
 serde_urlencoded = "0.7.0"
-serde_yaml = "0.8.16"
+serde_yaml = "0.9.4"
 sha2 = "0.10.0"
 # Disable default features b/c the default features build Git (very slow to compile)
 shadow-rs = { version = "0.16.1", default-features = false }
 strip-ansi-escapes = "0.1.1"
-sysinfo = "0.24.6"
+sysinfo = "0.25.2"
 terminal_size = "0.2.1"
 thiserror = "1.0.31"
 titlecase = "2.0.0"

crates/nu-command/src/formats/to/yaml.rs

@@ -24,7 +24,7 @@ impl Command for ToYaml {
         vec![Example {
             description: "Outputs an YAML string representing the contents of this table",
             example: r#"[[foo bar]; ["1" "2"]] | to yaml"#,
-            result: Some(Value::test_string("---\n- foo: \"1\"\n  bar: \"2\"\n")),
+            result: Some(Value::test_string("- foo: '1'\n  bar: '2'\n")),
         }]
     }