Bump the required versions of PHPUnit and Yaml

ciaranmcnulty · ciaranmcnulty · commit 8295b48fcaab · 2022-07-17T08:11:22.000+01:00
diff --git a/composer.json b/composer.json
@@ -18,8 +18,8 @@
     },
 
     "require-dev": {
-        "symfony/yaml": "~3|~4|~5",
-        "phpunit/phpunit": "~8|~9",
+        "symfony/yaml": "^5.0||^6.0",
+        "phpunit/phpunit": "^8.5.19||^9.0",
         "cucumber/cucumber": "dev-gherkin-24.0.0"
     },
 
