Update facade docblocks

Author: taylorotwell

src/Illuminate/Support/Facades/App.php

@@ -4,6 +4,7 @@
 
 /**
  * @method static void configure(string|null $baseDirectory = null)
+ * @method static string inferBaseDirectory()
  * @method static string version()
  * @method static void bootstrapWith(string[] $bootstrappers)
  * @method static void afterLoadingEnvironment(\Closure $callback)