fix: IOEXT-1713 - change use of node-fetch to @adobe/aio-lib-core-networking

[shazron]

Description

Fixes SSL CONNECT proxy issues since the current implementation does not use a proxy if available.

How Has This Been Tested?

Tested by:

• local link this branch plugin via aio plugins link .
• make sure to run: aio telemetry on
• run HTTPS_PROXY=http://localhost:8888 aio app add action in an AB app, then observe the connections in Charles Web Proxy (they should all be CONNECT, not GET)
• see that dcs.adobedc.net connects to the proxy via CONNECT

Types of changes

• 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 change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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