chore(deps): update dependency @types/node-fetch to v2.6.12 (#5496)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[@types/node-fetch](https://redirect.github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node-fetch)
([source](https://redirect.github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node-fetch))
| [`2.6.11` ->
`2.6.12`](https://renovatebot.com/diffs/npm/@types%2fnode-fetch/2.6.11/2.6.12)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/@types%2fnode-fetch/2.6.12?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/@types%2fnode-fetch/2.6.12?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/@types%2fnode-fetch/2.6.11/2.6.12?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@types%2fnode-fetch/2.6.11/2.6.12?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
|
[@types/node-fetch](https://redirect.github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node-fetch)
([source](https://redirect.github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node-fetch))
| [`2.6.2` ->
`2.6.12`](https://renovatebot.com/diffs/npm/@types%2fnode-fetch/2.6.2/2.6.12)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/@types%2fnode-fetch/2.6.12?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/@types%2fnode-fetch/2.6.12?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/@types%2fnode-fetch/2.6.2/2.6.12?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@types%2fnode-fetch/2.6.2/2.6.12?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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