Update dependency node-fetch to v2.6.7

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This PR contains the following updates:

Package	Type	Update	Change
node-fetch	dependencies	patch	2.6.1 -> 2.6.7

By merging this PR, the below vulnerabilities will be automatically resolved:

Severity	CVSS Score	Vulnerability	Reachability
Medium	6.1	CVE-2022-0235

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Release Notes

node-fetch/node-fetch (node-fetch)

v2.6.7

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Security patch release

Recommended to upgrade, to not leak sensitive cookie and authentication header information to 3th party host while a redirect occurred

What's Changed

• fix: don't forward secure headers to 3th party by @​jimmywarting in #​1453

Full Changelog: node-fetch/node-fetch@v2.6.6...v2.6.7

v2.6.6

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What's Changed

• fix(URL): prefer built in URL version when available and fallback to whatwg by @​jimmywarting in #​1352

Full Changelog: node-fetch/node-fetch@v2.6.5...v2.6.6

v2.6.5

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v2.6.4

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v2.6.3

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v2.6.2

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fixed main path in package.json

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• If you want to rebase/retry this PR, check this box

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⚠️ Artifact update problem

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The artifact failure details are included below:

File name: nexmo-changelog/package-lock.json