docs: remove WorkspaceProject mention from advanced docs

docs/advanced/pool.md

@@ -65,9 +65,9 @@ To communicate between different processes, you can create methods object using
 ```ts
 import { createBirpc } from 'birpc'
 import { parse, stringify } from 'flatted'
-import { createMethodsRPC, WorkspaceProject } from 'vitest/node'
+import { createMethodsRPC, TestProject } from 'vitest/node'
 
-function createRpc(project: WorkspaceProject, wss: WebSocketServer) {
+function createRpc(project: TestProject, wss: WebSocketServer) {
   return createBirpc(
     createMethodsRPC(project),
     {
@@ -83,7 +83,7 @@ function createRpc(project: WorkspaceProject, wss: WebSocketServer) {
 To make sure every test is collected, you would call `ctx.state.collectFiles` and report it to Vitest reporters:
 
 ```ts
-async function runTests(project: WorkspaceProject, tests: string[]) {
+async function runTests(project: TestProject, tests: string[]) {
   // ... running tests, put into "files" and "tasks"
   const methods = createMethodsRPC(project)
   await methods.onCollected(files)