chore(deps): update dependency mikefarah/yq to v4.8.0 (#51)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [mikefarah/yq](https://github.com/mikefarah/yq) | minor | `v4.7.1` -> `v4.8.0` |

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### Release Notes

<details>
<summary>mikefarah/yq</summary>

### [`v4.8.0`](https://github.com/mikefarah/yq/releases/v4.8.0)

[Compare Source](https://github.com/mikefarah/yq/compare/v4.7.1...v4.8.0)

-   Added three new [entries operators](https://mikefarah.gitbook.io/yq/operators/entries) to_entries, from_entries and with_entries that behave similarly as they do in `jq`.
-   Added [optional identifier flag](https://mikefarah.gitbook.io/yq/operators/traverse-read#optional-identifier) `?` - e.g. `.a?`
-   Fixed handling of the yaml 1.1. merge spec ([#&#8203;800](https://github.com/mikefarah/yq/issues/800))
-   Fixed bug in using `select` with `or` (<https://github.com/mikefarah/yq/discussions/804>)

</details>

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### Configuration

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

Reviewed-on: docker/lhci#51
Co-authored-by: Renovator Bot <renovator@rknet.org>
Co-committed-by: Renovator Bot <renovator@rknet.org>

Dockerfile

@@ -13,7 +13,7 @@ ARG YQ_VERSION
 # renovate: datasource=npm depName=@lhci/cli
 ENV LHCI_VERSION="${BUILD_VERSION:-0.7.2}"
 # renovate: datasource=github-releases depName=mikefarah/yq
-ENV YQ_VERSION="${YQ_VERSION:-v4.7.1}"
+ENV YQ_VERSION="${YQ_VERSION:-v4.8.0}"
 
 ENV LHCI_BASE_DIR=/drone/src \
     FORCE_COLOR=true \