chore: sync src-tauri Cargo.lock with qbz-models urlencoding dep

The Plex artwork-perf slice added urlencoding/url to qbz-models; the lockfile
sync only landed in crates/Cargo.lock. src-tauri depends on qbz-models, so its
lockfile needs the same entries (no behavior change).

cc

src-tauri/Cargo.lock

@@ -5190,6 +5190,8 @@ dependencies = [
  "serde",
  "serde_json",
  "thiserror 2.0.18",
+ "url",
+ "urlencoding",
 ]
 
 [[package]]
@@ -5335,7 +5337,7 @@ dependencies = [
  "anyhow",
  "base64 0.22.1",
  "chrono",
- "dirs",
+ "dirs 6.0.0",
  "futures-util",
  "log",
  "md-5",