Update dependency sass-loader to v12.6.0 (#202)

[![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [sass-loader](https://togithub.com/webpack-contrib/sass-loader) | [`12.4.0` -> `12.6.0`](https://renovatebot.com/diffs/npm/sass-loader/12.4.0/12.6.0) | [![age](https://developer.mend.io/api/mc/badges/age/npm/sass-loader/12.6.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/sass-loader/12.6.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/sass-loader/12.4.0/12.6.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/sass-loader/12.4.0/12.6.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### ⚠ Dependency Lookup Warnings ⚠

Warnings were logged while processing this repo. Please check the Dependency Dashboard for more information.

---

### Release Notes

<details>
<summary>webpack-contrib/sass-loader (sass-loader)</summary>

### [`v12.6.0`](https://togithub.com/webpack-contrib/sass-loader/blob/HEAD/CHANGELOG.md#1260-2022-02-15)

[Compare Source](https://togithub.com/webpack-contrib/sass-loader/compare/v12.5.0...v12.6.0)

##### Features

-   added support for automatic loading of `sass-embedded` ([#&#8203;1025](https://togithub.com/webpack-contrib/sass-loader/issues/1025)) ([c8dae87](https://togithub.com/webpack-contrib/sass-loader/commit/c8dae87f0c90b13303096e0d3aec857c4046c36b))

### [`v12.5.0`](https://togithub.com/webpack-contrib/sass-loader/blob/HEAD/CHANGELOG.md#1250-2022-02-14)

[Compare Source](https://togithub.com/webpack-contrib/sass-loader/compare/v12.4.0...v12.5.0)

##### Features

-   added support for `sass-embedded` (faster than `node-sass`), feel free to [feedback](https://togithub.com/webpack-contrib/sass-loader/issues/774)
-   added the `api` option (`modern` api is experimental and currently doesn't support built-in webpack resolver) ([afbe114](https://togithub.com/webpack-contrib/sass-loader/commit/afbe114fecf54fa99ef635aea5ae1d3db6a119c1))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/X-oss-byte/Canary-nextjs).

packages/next/package.json

@@ -257,7 +257,7 @@
     "react-is": "18.2.0",
     "react-refresh": "0.12.0",
     "regenerator-runtime": "0.14.0",
-    "sass-loader": "12.4.0",
+    "sass-loader": "12.6.0",
     "schema-utils2": "npm:schema-utils@2.7.1",
     "schema-utils3": "npm:schema-utils@3.0.0",
     "semver": "7.3.2",