Bump collab min version (#9521)

We made a change last week to allow creating files with names. This
means some files have null saved_mtime, which old versions of zed panic
on.

A fix is available in 0.126.3 and above

Release Notes:


- N/A

crates/util/src/util.rs

@@ -10,7 +10,7 @@ pub mod test;
 use futures::Future;
 use lazy_static::lazy_static;
 use rand::{seq::SliceRandom, Rng};
-pub use semantic_version::SemanticVersion;
+pub use semantic_version::*;
 use std::{
     borrow::Cow,
     cmp::{self, Ordering},