chore(deps-dev): bump @wordpress/element from 6.4.0 to 6.8.0

Bumps [@wordpress/element](https://github.com/WordPress/gutenberg/tree/HEAD/packages/element) from 6.4.0 to 6.8.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/element/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/[email protected]/packages/element)

---
updated-dependencies:
- dependency-name: "@wordpress/element"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -99,7 +99,7 @@
 		"@wordpress/e2e-test-utils": "^10.4.0",
 		"@wordpress/e2e-test-utils-playwright": "^1.4.0",
 		"@wordpress/e2e-tests": "^8.4.0",
-		"@wordpress/element": "^6.3.0",
+		"@wordpress/element": "^6.8.0",
 		"@wordpress/env": "^9.6.0",
 		"@wordpress/scripts": "27.9.0",
 		"conventional-changelog-simple-preset": "^1.0.24",