chore(deps): update dependency fluxcd/flux2 to v2.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
fluxcd/flux2	minor	v2.3.0 -> v2.4.0

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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

fluxcd/flux2 (fluxcd/flux2)

### [`v2.4.0`](https://redirect.github.com/fluxcd/flux2/compare/v2.3.0...v2.4.0) [Compare Source](https://redirect.github.com/fluxcd/flux2/compare/v2.3.0...v2.4.0)

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