Add lots of extensions for testing

Author: Greg Bowler

composer.json

@@ -3,6 +3,16 @@
 	"description": "Example project using php-actions/phpunit",
 
 	"require-dev": {
+		"ext-bcmath": "*",
+		"ext-curl": "*",
+		"ext-dom": "*",
+		"ext-gd": "*",
+		"ext-intl": "*",
+		"ext-json": "*",
+		"ext-pdo": "*",
+		"ext-pdo_mysql": "*",
+		"ext-sqlite3": "*",
+		"ext-zip": "*",
 		"phpunit/phpunit": "9.*"
 	},
 	"autoload": {