fix(deps): update dependency mini-css-extract-plugin to v2.7.6 (#338)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[mini-css-extract-plugin](https://togithub.com/webpack-contrib/mini-css-extract-plugin)
| [`2.7.2` ->
`2.7.6`](https://renovatebot.com/diffs/npm/mini-css-extract-plugin/2.7.2/2.7.6)
|
[![age](https://badges.renovateapi.com/packages/npm/mini-css-extract-plugin/2.7.6/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/npm/mini-css-extract-plugin/2.7.6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/npm/mini-css-extract-plugin/2.7.6/compatibility-slim/2.7.2)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/npm/mini-css-extract-plugin/2.7.6/confidence-slim/2.7.2)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>webpack-contrib/mini-css-extract-plugin
(mini-css-extract-plugin)</summary>

###
[`v2.7.6`](https://togithub.com/webpack-contrib/mini-css-extract-plugin/blob/HEAD/CHANGELOG.md#276-2023-05-19)

[Compare
Source](https://togithub.com/webpack-contrib/mini-css-extract-plugin/compare/v2.7.5...v2.7.6)

###
[`v2.7.5`](https://togithub.com/webpack-contrib/mini-css-extract-plugin/blob/HEAD/CHANGELOG.md#275-2023-03-16)

[Compare
Source](https://togithub.com/webpack-contrib/mini-css-extract-plugin/compare/v2.7.4...v2.7.5)

###
[`v2.7.4`](https://togithub.com/webpack-contrib/mini-css-extract-plugin/blob/HEAD/CHANGELOG.md#274-2023-03-16)

[Compare
Source](https://togithub.com/webpack-contrib/mini-css-extract-plugin/compare/v2.7.3...v2.7.4)

###
[`v2.7.3`](https://togithub.com/webpack-contrib/mini-css-extract-plugin/blob/HEAD/CHANGELOG.md#273-2023-03-07)

[Compare
Source](https://togithub.com/webpack-contrib/mini-css-extract-plugin/compare/v2.7.2...v2.7.3)

</details>

---

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