Update tree-house to v0.3.0

This release contains some fixes to highlight ordering which could cause
panics in the markdown component for highlights arriving out of order.

Cargo.lock

@@ -2810,9 +2810,9 @@ checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
 
 [[package]]
 name = "tree-house"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "679e3296e503901cd9f6e116be5a43a9270222215bf6c78b4b1f4af5c3dcc62d"
+checksum = "d00ea55222392f171ae004dd13b62edd09d995633abf0c13406a8df3547fb999"
 dependencies = [
  "arc-swap",
  "hashbrown 0.15.4",

Cargo.toml

@@ -37,7 +37,7 @@ package.helix-tui.opt-level = 2
 package.helix-term.opt-level = 2
 
 [workspace.dependencies]
-tree-house = { version = "0.2.0", default-features = false }
+tree-house = { version = "0.3.0", default-features = false }
 nucleo = "0.5.0"
 slotmap = "1.0.7"
 thiserror = "2.0"