Update dependency event-source-polyfill to v1.0.31 - autoclosed

[mend-app-sh[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
event-source-polyfill	1.0.30 -> 1.0.31

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[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

Yaffle/EventSource (event-source-polyfill)

### [`v1.0.31`](https://togithub.com/Yaffle/EventSource/compare/af4013308b06c30d162208eb18985f39d9c1f633...1.0.31) [Compare Source](https://togithub.com/Yaffle/EventSource/compare/af4013308b06c30d162208eb18985f39d9c1f633...1.0.31)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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