📦 Update dependency probot to v13.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
probot (source)	13.3.10 -> 13.4.0

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Release Notes

probot/probot (probot)

### [`v13.4.0`](https://redirect.github.com/probot/probot/compare/v13.3.10...19954c8bd1a5cd3e14dfe918315aa7818a4766ce) [Compare Source](https://redirect.github.com/probot/probot/compare/v13.3.10...v13.4.0)

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Configuration

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