fix(deps): update dependency octokit to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
octokit	^2.0.14 -> ^4.0.0

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Release Notes

octokit/octokit.js (octokit)

v4.0.2

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Bug Fixes

• build: actually output ESM (#​2678) (9604674)

v4.0.1

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Bug Fixes

• docs: remove NodeJS 10 and add callout for conditional exports (#​2675) (c99ff62)

v4.0.0

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BREAKING CHANGES

• package is now ESM
• remove authentication type "oauth" that was previously deprecated
• Switch from @octokit/webhooks-types to @octokit/openapi-webhooks-types due to the transition to using GitHub's OpenAPI schema

v3.2.1

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Bug Fixes

• update rest endpoints (#​2667) (98785f4)

v3.2.0

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Features

• security: Add provenance (#​2653) (a90799a)

v3.1.2

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Bug Fixes

• updates app.js for the handling of an error being thrown by the verify method in webhooks.js (#​2576) (b59da80)

v3.1.1

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Bug Fixes

• deps: update octokit monorepo (major) (#​2541) (f366919)

v3.1.0

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Features

• add plugin-paginate-graphql (#​2487) (74856f6)

v3.0.0

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Features

• v3 (#​2456) (84e6569)

BREAKING CHANGES

• Drop support for NodeJS v14, v16
• Remove previews support for the REST API
• remove agent option from octokit.request()
• Replace support for Node.js http(s) Agents with documentation on using fetch dispatchers instead (via @octokit/request)
• Remove ability to pass custom request options, except for method, headers, body, signal (via @​octokit/request)

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