Remove annotated type and just use a union

src/jobflow_remote/config/base.py

@@ -5,7 +5,7 @@
 import traceback
 from enum import Enum
 from pathlib import Path
-from typing import Annotated, Literal, Union
+from typing import Literal
 
 from jobflow import JobStore
 from pydantic import BaseModel, Extra, Field, validator
@@ -318,9 +318,6 @@ def cli_info(self) -> dict:
         )
 
 
-WorkerConfig = Annotated[Union[LocalWorker, RemoteWorker], Field(discriminator="type")]
-
-
 class ExecutionConfig(BaseModel):
     """
     Configuration to be set before and after the execution of a Job.
@@ -369,7 +366,7 @@ class Project(BaseModel):
     runner: RunnerOptions = Field(
         default_factory=RunnerOptions, description="The options for the Runner"
     )
-    workers: dict[str, WorkerConfig] = Field(
+    workers: dict[str, LocalWorker | RemoteWorker] = Field(
         default_factory=dict,
         description="A dictionary with the worker name as keys and the worker "
         "configuration as values",