fix(container): update ghcr.io/siderolabs/installer ( v1.7.5 → v1.7.6 )

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
ghcr.io/siderolabs/installer	patch	v1.7.5 -> v1.7.6

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Release Notes

siderolabs/talos (ghcr.io/siderolabs/installer)

### [`v1.7.6`](https://togithub.com/siderolabs/talos/compare/v1.7.5...v1.7.6) [Compare Source](https://togithub.com/siderolabs/talos/compare/v1.7.5...v1.7.6)

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