escalate TodoSniff warning (#274)

Author: wietsewarendorff

src/SniffRunner/Application/SniffFileProcessor.php

@@ -9,6 +9,7 @@
 use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\AssignmentInConditionSniff;
 use PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\UnusedFunctionParameterSniff;
+use PHP_CodeSniffer\Standards\Generic\Sniffs\Commenting\TodoSniff;
 use PHP_CodeSniffer\Standards\PSR2\Sniffs\Classes\PropertyDeclarationSniff;
 use PHP_CodeSniffer\Standards\PSR2\Sniffs\Methods\MethodDeclarationSniff;
 use PHP_CodeSniffer\Standards\Squiz\Sniffs\PHP\CommentedOutCodeSniff;
@@ -44,6 +45,7 @@ final class SniffFileProcessor implements FileProcessorInterface
         MethodDeclarationSniff::class,
         CommentedOutCodeSniff::class,
         UnusedFunctionParameterSniff::class,
+        TodoSniff::class,
     ];
 
     /**