Update astrotomic/php-conditional-proxy requirement

Updates the requirements on [astrotomic/php-conditional-proxy](https://github.com/Astrotomic/php-conditional-proxy) to permit the latest version.
- [Release notes](https://github.com/Astrotomic/php-conditional-proxy/releases)
- [Changelog](https://github.com/Astrotomic/php-conditional-proxy/blob/master/CHANGELOG.md)
- [Commits](Astrotomic/php-conditional-proxy@0.1.0...0.2.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

composer.json

@@ -16,7 +16,7 @@
     ],
     "require": {
         "php": "^7.4",
-        "astrotomic/php-conditional-proxy": "^0.1.0"
+        "astrotomic/php-conditional-proxy": "^0.2.0"
     },
     "require-dev": {
         "pestphp/pest": "^0.1.5",