fix: updated moleculer-timeout-middleware with streams

[JS-AK]

Added clean and close this.pendingReqStreams when request from another microservice was timeouted before sent answer

📝 Description

Fixed memory leak when another microservice started stream with broker.call and then timeouted

Create 3 services, api-gw, test-1, test-2
api-gw handle request -> test-1
test-1 make stream and send it to test-2
test-2 await time to handle timeout at test-1

If microservice test-2 handle timeot this.pendingRequests was not released/deleted

💎 Type of change

• Bug fix (non-breaking change which fixes an issue)

🏁 Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas

Repo for reproduce this bug

https://github.com/JS-AK/moleculer-pr-1313-example

[pkg-pr-new]

Open in Stackblitz

npm i https://pkg.pr.new/moleculerjs/moleculer@1313

commit: dac6518