Update dependency node-fetch to ^2.6.1

Created by: renovate[bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
node-fetch	^2.6.0 -> ^2.6.1

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Release Notes

bitinn/node-fetch

v2.6.1

Compare Source

This is an important security release. It is strongly recommended to update as soon as possible.

See CHANGELOG for details.

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