Fix typos by codespell (#7600)

# Description

Found via `codespell -S target -L
crate,ser,numer,falsy,ro,te,nd,bu,ndoes,statics,ons,fo,rouge,pard`

# User-Facing Changes

None.

# Tests + Formatting

None and done.

# After Submitting

None.

crates/nu-command/src/filesystem/cd.rs

@@ -8,7 +8,7 @@ use nu_protocol::{
 };
 use std::path::Path;
 
-// when the file under the fold executeable
+// when the file under the fold executable
 #[cfg(unix)]
 mod permission_mods {
     pub type Mode = u32;

crates/nu-command/src/filesystem/cd_query.rs

@@ -25,7 +25,7 @@ struct Finding {
     congruence: Vec<Congruence>,
 }
 
-/// Returns an interator over directory's children matching the abbreviation.
+/// Returns an iterator over directory's children matching the abbreviation.
 fn get_matching_children<'a, P>(
     path: &'a P,
     abbr: &'a Abbr,