fix(rivetkit): infer T from step/tryStep config object in workflow context wrapper (#5124)

# Description

Please include a summary of the changes and the related issue. Please also include relevant motivation and context.

## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] This change requires a documentation update

## How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

## Checklist:

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes

Author: abcxff

rivetkit-typescript/packages/rivetkit/src/workflow/context.ts

@@ -239,7 +239,7 @@ export class ActorWorkflowContext<
 	}
 
 	async step<T>(
-		nameOrConfig: string | Parameters<WorkflowContextInterface["step"]>[0],
+		nameOrConfig: string | StepConfig<T>,
 		run?: () => Promise<T>,
 	): Promise<T> {
 		if (typeof nameOrConfig === "string") {
@@ -261,9 +261,7 @@ export class ActorWorkflowContext<
 	}
 
 	async tryStep<T>(
-		nameOrConfig:
-			| string
-			| Parameters<WorkflowContextInterface["tryStep"]>[0],
+		nameOrConfig: string | TryStepConfig<T>,
 		run?: () => Promise<T>,
 	): Promise<TryStepResult<T>> {
 		if (typeof nameOrConfig === "string") {