fix(ci): missing php dep

Author: lotyp

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          extensions: curl, mbstring, zip, fileinfo
+          extensions: curl, mbstring, zip, fileinfo, decimal
           ini-values: error_reporting=E_ALL
           tools: composer:v2
           coverage: none