chore(deps): update dependency grafana/flint to v0.5.0 (#1889)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [grafana/flint](https://redirect.github.com/grafana/flint) | minor |
`v0.4.0` → `v0.5.0` |

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### Release Notes

<details>
<summary>grafana/flint (grafana/flint)</summary>

###
[`v0.5.0`](https://redirect.github.com/grafana/flint/releases/tag/v0.5.0)

[Compare
Source](https://redirect.github.com/grafana/flint/compare/v0.4.0...v0.5.0)

##### Features

- **super-linter:** default to slim image
([#&#8203;24](https://redirect.github.com/grafana/flint/issues/24))
([c8eeab8](https://redirect.github.com/grafana/flint/commit/c8eeab82e5db39f0cf8b57a5ee7ac1fc7106a1b0))

</details>

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