Tweak some type annotations

src/Monolog/Handler/FilterHandler.php

@@ -44,7 +44,7 @@ class FilterHandler extends Handler implements ProcessableHandlerInterface, Rese
      * Minimum level for logs that are passed to handler
      *
      * @var int[]
-     * @phpstan-var Level[]
+     * @phpstan-var array<Level, int>
      */
     protected $acceptedLevels;
 
@@ -78,7 +78,7 @@ class FilterHandler extends Handler implements ProcessableHandlerInterface, Rese
     }
 
     /**
-     * @phpstan-return Level[]
+     * @phpstan-return array<int, Level>
      */
     public function getAcceptedLevels(): array
     {

src/Monolog/Logger.php

@@ -382,6 +382,7 @@ class Logger implements LoggerInterface, ResettableInterface
      * Gets all supported logging levels.
      *
      * @return array<string, int> Assoc array with human-readable level names => level codes.
+     * @phpstan-return array<LevelName, Level>
      */
     public static function getLevels(): array
     {