Update alleyinteractive/wp-type-extensions requirement from ^1.0 to ^2.1

Updates the requirements on [alleyinteractive/wp-type-extensions](https://github.com/alleyinteractive/wp-type-extensions) to permit the latest version.
- [Release notes](https://github.com/alleyinteractive/wp-type-extensions/releases)
- [Changelog](https://github.com/alleyinteractive/wp-type-extensions/blob/main/CHANGELOG.md)
- [Commits](alleyinteractive/wp-type-extensions@v1.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: alleyinteractive/wp-type-extensions
  dependency-type: direct:production
...

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

composer.json

@@ -17,7 +17,7 @@
     "require": {
         "php": "^8.1",
         "alleyinteractive/composer-wordpress-autoloader": "^1.0",
-        "alleyinteractive/wp-type-extensions": "^1.0"
+        "alleyinteractive/wp-type-extensions": "^2.1"
     },
     "require-dev": {
         "alleyinteractive/alley-coding-standards": "^2.0",