Add keymap editor UI telemetry events (#34571)

- Search queries
- Keybinding update or removed
- Copy action name
- Copy context name

cc @katie-z-geer 

Release Notes:

- N/A

Co-authored-by: Ben Kunkle <ben@zed.dev>

Cargo.lock

@@ -14720,6 +14720,7 @@ dependencies = [
  "serde",
  "serde_json",
  "settings",
+ "telemetry",
  "theme",
  "tree-sitter-json",
  "tree-sitter-rust",