refactor: update mago.toml by refining paths and fix missing newline in configuration files

Author: ericges

mago.toml

@@ -3,7 +3,7 @@
 php-version = "8.2"
 
 [source]
-paths = ["src/", "tests/"]
+paths = ["src/"]
 includes = ["vendor"]
 excludes = []
 

src/DependencyInjection/Configuration.php

@@ -59,4 +59,4 @@ public function getConfigTreeBuilder(): TreeBuilder
 
         return $treeBuilder;
     }
-}
+}

src/DependencyInjection/HeimrichHannotFlareExtension.php

@@ -104,4 +104,4 @@ public function prepend(ContainerBuilder $container): void
         $loader = new YamlFileLoader($container, new FileLocator(\dirname(__DIR__) . '/../config'));
         $loader->load('config.yaml');
     }
-}
+}