Update Helm release metallb to v0.14.8

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
metallb (source)	patch	0.14.5 -> 0.14.8

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Release Notes

metallb/metallb (metallb)

### [`v0.14.8`](https://togithub.com/metallb/metallb/releases/tag/v0.14.8): v0.14.18 [Compare Source](https://togithub.com/metallb/metallb/compare/v0.14.7...v0.14.8) See the release notes for the details https://metallb.universe.tf/release-notes/#version-0-14-8 ### [`v0.14.7`](https://togithub.com/metallb/metallb/releases/tag/v0.14.7): v0.14.17 [Compare Source](https://togithub.com/metallb/metallb/compare/v0.14.6...v0.14.7) See the release notes for the details https://metallb.universe.tf/release-notes/#version-0-14-7 ### [`v0.14.6`](https://togithub.com/metallb/metallb/releases/tag/v0.14.6): v0.14.16 [Compare Source](https://togithub.com/metallb/metallb/compare/v0.14.5...v0.14.6) See the release notes for the details https://metallb.universe.tf/release-notes/#version-0-14-6

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Configuration

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