Point repository metadata at the standalone home

The crate now lives at copse-dev/tauri-runtime-servo rather than inside a
fork of the tauri monorepo, as anticipated by the README's workflow notes
and requested by the upstream Tauri maintainers.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018Jf9dnzfAnoLzptgcNbxDy

Author: claude

Cargo.toml

@@ -12,7 +12,7 @@ authors = [
   "Tauri Programme within The Commons Conservancy",
 ]
 homepage = "https://tauri.app/"
-repository = "https://github.com/jonathanKingston/tauri-runtime-servo"
+repository = "https://github.com/copse-dev/tauri-runtime-servo"
 categories = ["gui", "web-programming"]
 license = "Apache-2.0 OR MIT"
 edition = "2021"

README.md

@@ -47,7 +47,7 @@ tauri-build = "2"
 tauri = { version = "2", default-features = false, features = [
   "common-controls-v6",
 ] }
-tauri-runtime-servo = { git = "https://github.com/jonathanKingston/tauri-runtime-servo" }
+tauri-runtime-servo = { git = "https://github.com/copse-dev/tauri-runtime-servo" }
 ```
 
 Note that the `wry` feature of `tauri` must stay disabled — this runtime