chore: bump up css-loader version to v7 (#6458)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [css-loader](https://togithub.com/webpack-contrib/css-loader) | [`^6.10.0` -> `^7.0.0`](https://renovatebot.com/diffs/npm/css-loader/6.10.0/7.0.0) | [![age](https://developer.mend.io/api/mc/badges/age/npm/css-loader/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/css-loader/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/css-loader/6.10.0/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/css-loader/6.10.0/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v7.0.0`](https://togithub.com/webpack-contrib/css-loader/blob/HEAD/CHANGELOG.md#700-2024-04-04)

[Compare Source](https://togithub.com/webpack-contrib/css-loader/compare/v6.11.0...v7.0.0)

##### ⚠ BREAKING CHANGES

-   The `modules.namedExport` option is `true` by default if you enable the `esModule` option

Migration guide:

Before:

```js
import style from "./style.css";

console.log(style.myClass);
```

After:

```js
import * as style from "./style.css";

console.log(style.myClass);
```

-   The `modules.exportLocalsConvention` has the value `as-is` when the `modules.namedExport` option is `true` and you don't specify a value
-   Minimum supported webpack version is `5.27.0`
-   Minimum supported Node.js version is `18.12.0`

##### Features

-   The `modules.namedExports` option works fine with any `modules.exportLocalsConvention` values ([f96a110](f96a11007d))
-   Added dashed variants for the `modules.exportLocalsConvention` options ([40e1668](40e1668b83))

### [`v6.11.0`](https://togithub.com/webpack-contrib/css-loader/blob/HEAD/CHANGELOG.md#6110-2024-04-03)

[Compare Source](https://togithub.com/webpack-contrib/css-loader/compare/v6.10.0...v6.11.0)

##### Features

-   supports multiple composes ([#&#8203;1582](https://togithub.com/webpack-contrib/css-loader/issues/1582)) ([bbca614](bbca61411d))

##### Bug Fixes

-   do not break `@scope` at-rule without params ([#&#8203;1581](https://togithub.com/webpack-contrib/css-loader/issues/1581)) ([e022e3b](e022e3bb40))

</details>

---

### Configuration

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🚦 **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.

---

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---

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tools/cli/package.json

@@ -17,7 +17,7 @@
     "@types/webpack-env": "^1.18.4",
     "@vanilla-extract/webpack-plugin": "^2.3.7",
     "copy-webpack-plugin": "^12.0.2",
-    "css-loader": "^6.10.0",
+    "css-loader": "^7.0.0",
     "cssnano": "^6.1.0",
     "dotenv": "^16.4.5",
     "html-webpack-plugin": "^5.6.0",