chore(deps): update dependency octokit to v4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
octokit	3.1.2 -> 4.0.2

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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)

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