fix: add override for /app/installations/ response

[Jman420]

Add override for /app/installations/ response for account property to be an allOf list instead of anyOf

Resolves octokit/openapi-types.ts#305

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Before the change?

• The response for /app/installations returned an array of objects who's account property was an intersection of the simple-user & enterprise schemas. This hides all of the non-intersecting properties making them inaccessible.
• See [Schema Inaccuracy] Installation schema's account property changed from union to intersection github/rest-api-description#2497 for more details.

After the change?

• Add an override which changes the anyOf descriptor to allOf for the account property.
• See [Schema Inaccuracy] Installation schema's account property changed from union to intersection github/rest-api-description#2497 for more details.

Pull request checklist

• [ n/a ] Tests for the changes have been added (for bug fixes / features)
• [ n/a ] Docs have been reviewed and added / updated if needed (for bug fixes / features)

Does this introduce a breaking change?

Please see our docs on breaking changes to help!

• Yes
• No
• Maybe? - The override technically changes the type of the response's account property but the existing type is broken as it does not include all of the necessary fields.

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[Jman420]

I think the Dry-run is failing due to the build script not handling parsing the version from the filename correctly. I think the regex currently only supports a single digit for the two parts of the version and the download script has downloaded a file for v3.10. Version 3.10 is also not included in the SUPPORTED_GHES_OPERATIONS constant.

Should I include fixes to those issue in this PR?

[kfcampbell]

@Jman420 unfortunately that's affecting all the PRs at the moment. If you do fix that, would you mind using a separate PR?

[octokitbot]

🎉 This PR is included in version 12.1.1 🎉

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

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