chore(deps): update lavalink-devs/lavalink docker tag to v4.0.8

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
lavalink-devs/lavalink	patch	4.0.7 -> 4.0.8

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Release Notes

lavalink-devs/Lavalink (lavalink-devs/lavalink)

### [`v4.0.8`](https://redirect.github.com/lavalink-devs/Lavalink/blob/HEAD/CHANGELOG.md#v408) [Compare Source](https://redirect.github.com/lavalink-devs/Lavalink/compare/4.0.7...4.0.8) - Updated koe to [`2.0.3-rc2`](https://redirect.github.com/KyokoBot/koe/releases/tag/2.0.3-rc2) & use voice gateway `v8` in [https://github.com/lavalink-devs/Lavalink/pull/1097](https://redirect.github.com/lavalink-devs/Lavalink/pull/1097) - Updated Lavaplayer to [`2.2.2`](https://redirect.github.com/lavalink-devs/lavaplayer/releases/tag/2.2.2) in [https://github.com/lavalink-devs/Lavalink/pull/1105](https://redirect.github.com/lavalink-devs/Lavalink/pull/1105) - Allow usage of non-allocating frame buffers in [https://github.com/lavalink-devs/Lavalink/pull/1095](https://redirect.github.com/lavalink-devs/Lavalink/pull/1095) - Added shutdown handling to close sessions cleanly in [https://github.com/lavalink-devs/Lavalink/pull/1102](https://redirect.github.com/lavalink-devs/Lavalink/pull/1102)

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