Bump nth-check and @wordpress/scripts (#7026)

Bumps [nth-check](https://github.com/fb55/nth-check) to 2.1.1 and updates ancestor dependency [@wordpress/scripts](https://github.com/WordPress/gutenberg/tree/HEAD/packages/scripts). These dependencies need to be updated together.


Updates `nth-check` from 1.0.2 to 2.1.1
- [Release notes](https://github.com/fb55/nth-check/releases)
- [Commits](https://github.com/fb55/nth-check/compare/v1.0.2...v2.1.1)

Updates `@wordpress/scripts` from 21.0.2 to 26.2.0
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/scripts/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/scripts@26.2.0/packages/scripts)

---
updated-dependencies:
- dependency-name: nth-check
  dependency-type: indirect
- dependency-name: "@wordpress/scripts"
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -34,7 +34,7 @@
 	"devDependencies": {
 		"@octokit/rest": "^18.12.0",
 		"@wordpress/prettier-config": "^1.1.2",
-		"@wordpress/scripts": "^21.0.2",
+		"@wordpress/scripts": "^26.3.0",
 		"@wordpress/stylelint-config": "^20.0.1",
 		"chokidar-cli": "^3.0.0",
 		"fs-extra": "^10.0.0",