chore(deps-dev): update yoast/phpunit-polyfills requirement from ^1.0 to ^2.0 (#430)

* chore(deps-dev): update yoast/phpunit-polyfills requirement

Updates the requirements on [yoast/phpunit-polyfills](https://github.com/Yoast/PHPUnit-Polyfills) to permit the latest version.
- [Release notes](https://github.com/Yoast/PHPUnit-Polyfills/releases)
- [Changelog](https://github.com/Yoast/PHPUnit-Polyfills/blob/2.x/CHANGELOG.md)
- [Commits](Yoast/PHPUnit-Polyfills@1.0.0...2.0.1)

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

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

* fix: remove --verbose from phpunit

* fix: force usage of phpunit < 10

---------

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -41,4 +41,4 @@ jobs:
             - name: Install dependencies
               run: composer update $DEFAULT_COMPOSER_FLAGS
             - name: Run unit tests
-              run: vendor/bin/phpunit --verbose --colors=always tests
+              run: vendor/bin/phpunit --colors=always tests

composer.json

@@ -9,8 +9,9 @@
         "phpseclib/phpseclib": "^3.0.7"
     },
     "require-dev": {
+        "phpunit/phpunit": "<10",
         "roave/security-advisories": "dev-latest",
-        "yoast/phpunit-polyfills": "^1.0"
+        "yoast/phpunit-polyfills": "^2.0"
     },
     "archive" : {
         "exclude" : [