fix(deps): Update dependency read-package-up to v12 (#61)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [read-package-up](https://redirect.github.com/sindresorhus/read-package-up) | dependencies | major | [`^11.0.0` -> `^12.0.0`](https://renovatebot.com/diffs/npm/read-package-up/11.0.0/12.0.0) |

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### Release Notes

<details>
<summary>sindresorhus/read-package-up (read-package-up)</summary>

### [`v12.0.0`](https://redirect.github.com/sindresorhus/read-package-up/releases/tag/v12.0.0)

[Compare Source](https://redirect.github.com/sindresorhus/read-package-up/compare/v11.0.0...v12.0.0)

##### Breaking

-   Require Node.js 20  [`7b5b52a`](https://redirect.github.com/sindresorhus/read-package-up/commit/7b5b52a)

##### Improvements

-   Update dependencies  [`7b5b52a`](https://redirect.github.com/sindresorhus/read-package-up/commit/7b5b52a)

***

</details>

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Author: cq-bot

package-lock.json

@@ -85,7 +85,7 @@
     "dot-prop": "^10.0.0",
     "got": "^14.0.0",
     "p-map": "^7.0.0",
-    "read-package-up": "^11.0.0"
+    "read-package-up": "^12.0.0"
   },
   "ava": {
     "typescript": {