Bump @wordpress/env from 7.0.0 to 8.1.0 (#286)

Bumps [@wordpress/env](https://github.com/WordPress/gutenberg/tree/HEAD/packages/env) from 7.0.0 to 8.1.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/env/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/[email protected]/packages/env)

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

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

package.json

@@ -48,7 +48,7 @@
     "@wordpress/babel-plugin-import-jsx-pragma": "^4.12.0",
     "@wordpress/babel-preset-default": "^7.17.0",
     "@wordpress/dependency-extraction-webpack-plugin": "^4.16.0",
-    "@wordpress/env": "^7.0.0",
+    "@wordpress/env": "^8.1.0",
     "@wordpress/eslint-plugin": "^14.8.0",
     "@wordpress/stylelint-config": "^21.16.0",
     "archiver": "^5.3.1",