Better Workaround for Versions "Error"

PHPCompatibility (versions check) erroneously flags the use of $this in enumerations. They fixed it in their development branch in October 2022. But they haven't had a release since 2019!

.github/workflows/main.yml

@@ -173,7 +173,7 @@ jobs:
         run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: Code Version Compatibility check with PHP_CodeSniffer
-        run: ./vendor/bin/phpcs -q --report-width=200 --report=summary,full src/ --standard=PHPCompatibility --runtime-set testVersion 8.1-
+        run: ./vendor/bin/phpcs -q --report-width=200 --report=summary,full src/ --standard=PHPCompatibility --runtime-set testVersion 8.1- --exclude=PHPCompatibility.Variables.ForbiddenThisUseContexts
 
   phpstan:
     runs-on: ubuntu-latest

src/PhpSpreadsheet/Style/NumberFormat/Wizard/CurrencyNegative.php

@@ -4,17 +4,11 @@ namespace PhpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard;
 
 enum CurrencyNegative
 {
-    // PHPCompatibility (versions check) has an error which
-    // causes it to flag the use of $this below as erroneous.
-    // They fixed it in their development branch in October 2022.
-    // But they haven't had a release since 2019!
-    // Hence the phpcs disable statment below.
     case minus;
     case redMinus;
     case parentheses;
     case redParentheses;
 
-    // phpcs:disable PHPCompatibility.Variables.ForbiddenThisUseContexts
     public function start(): string
     {
         return match ($this) {
@@ -38,5 +32,4 @@ enum CurrencyNegative
             self::parentheses, self::minus => '',
         };
     }
-    // phpcs:enable
 }