Bump johnbillion/wp-hooks-generator from 0.7.0 to 0.9.0

Bumps [johnbillion/wp-hooks-generator](https://github.com/johnbillion/wp-hooks-generator) from 0.7.0 to 0.9.0.
- [Release notes](https://github.com/johnbillion/wp-hooks-generator/releases)
- [Commits](wp-hooks/generator@0.7.0...0.9.0)

---
updated-dependencies:
- dependency-name: johnbillion/wp-hooks-generator
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

composer.json

@@ -19,7 +19,7 @@
 		"wp-phpunit/wp-phpunit": "^6.0",
 		"woocommerce/woocommerce-sniffs": "0.1.0",
 		"yoast/phpunit-polyfills": "^1.0",
-		"johnbillion/wp-hooks-generator": "^0.7.0",
+		"johnbillion/wp-hooks-generator": "^0.9.0",
 		"mockery/mockery": "^1.4"
 	},
 	"autoload": {