fix: apify-mcp-server max listeners warning

[MQ37]

Allow disabling of process.on SIGINT handler to prevent max listeners warning when spawning multiple instances of ActorsMcpServer

[Copilot]

Pull Request Overview

This PR addresses a max listeners warning when spawning multiple instances of ActorsMcpServer by adding a new parameter to optionally disable the SIGINT handler registration.

• Introduces a new boolean parameter in the constructor to control SIGINT handler setup.
• Propagates the new parameter to the setupErrorHandling method.

Comments suppressed due to low confidence (1)

src/mcp/server.ts:48

• [nitpick] Consider renaming the parameter 'setupSIGINTHandler' to 'enableSIGINTHandler' to more clearly indicate that it enables or disables the SIGINT handler registration.

constructor(options: ActorsMcpServerOptions = {}, setupSIGINTHandler = true) {