fix(deps): update dependency phoenix to v1.5.9

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
phoenix	1.5.8 -> 1.5.9

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Release Notes

phoenixframework/phoenix

### [`v1.5.9`](https://togithub.com/phoenixframework/phoenix/compare/v1.5.8...v1.5.9) [Compare Source](https://togithub.com/phoenixframework/phoenix/compare/v1.5.8...v1.5.9)

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