docs(work): use workledger command name

Update work graph verification references from work to workledger.

work/northstars/NS-0002-lsp-editor-experience.md

@@ -34,8 +34,8 @@ Complete the `.heml` editor experience around existing compiler/build authority:
 
 ## Verification
 
-- `work check`
-- `work list`
+- `workledger check`
+- `workledger list`
 - Later implementation slices should prefer focused `cargo test -p hemx-lsp`/integration tests, then `cargo check --workspace` or `cargo run -p hemx-xtask -- test` when build integration changes.
 
 ## Non-goals