Support numeric tokens in work report LSP requests (#41448)

Closes https://github.com/zed-industries/zed/issues/41347

Release Notes:

- Indicate progress for more kinds of language servers

crates/project/src/project.rs

@@ -146,7 +146,7 @@ pub use buffer_store::ProjectTransaction;
 pub use lsp_store::{
     DiagnosticSummary, InvalidationStrategy, LanguageServerLogType, LanguageServerProgress,
     LanguageServerPromptRequest, LanguageServerStatus, LanguageServerToQuery, LspStore,
-    LspStoreEvent, SERVER_PROGRESS_THROTTLE_TIMEOUT,
+    LspStoreEvent, ProgressToken, SERVER_PROGRESS_THROTTLE_TIMEOUT,
 };
 pub use toolchain_store::{ToolchainStore, Toolchains};
 const MAX_PROJECT_SEARCH_HISTORY_SIZE: usize = 500;
@@ -3451,7 +3451,7 @@ impl Project {
     pub fn cancel_language_server_work(
         &mut self,
         server_id: LanguageServerId,
-        token_to_cancel: Option<String>,
+        token_to_cancel: Option<ProgressToken>,
         cx: &mut Context<Self>,
     ) {
         self.lsp_store.update(cx, |lsp_store, cx| {