Update yoast/phpunit-polyfills requirement from ^0.2.0 || ^1.0.0 to ^0.2.0 || ^1.0.0 || ^4.0.0

---
updated-dependencies:
- dependency-name: yoast/phpunit-polyfills
  dependency-version: 4.0.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

composer.json

@@ -23,7 +23,7 @@
     "sirbrillig/phpcs-variable-analysis": "^2.11.2",
     "squizlabs/php_codesniffer": "^3",
     "wp-coding-standards/wpcs": "^3.2",
-    "yoast/phpunit-polyfills": "^0.2.0 || ^1.0.0"
+    "yoast/phpunit-polyfills": "^0.2.0 || ^1.0.0 || ^4.0.0"
   },
   "suggest": {
     "ext-json": "Provides native implementation of json_encode()/json_decode().",