Use native http module instead of aiohttp

[selcukcihan]

Description

• Related issue https://linear.app/serverless/issue/SC-606/python-sdk-very-large-extension-layer-size#comment-6c3fcd36
• Use http.client package instead of aiohttp for dev-mode telemetry requests
• On my dev environment:
  • Unzipped layer size is down to 4.1MB from 7.5MB
  • Zipped layer size is down to 1.1MB from 2.1MB

Testing done

Unit/integration/performance tested

[selcukcihan]

@medikoo ready for review please 🙏