Use one ParserConfig object across all parser-involved classes

README.md

src/Lexer/Lexer.php

src/Parser/ConstExprParser.php

src/Parser/PhpDocParser.php

src/Parser/TypeParser.php

src/ParserConfig.php

tests/PHPStan/Ast/Attributes/AttributesTest.php

tests/PHPStan/Parser/ConstExprParserTest.php

tests/PHPStan/Parser/FuzzyTest.php

tests/PHPStan/Parser/PhpDocParserTest.php

tests/PHPStan/Parser/TokenIteratorTest.php

tests/PHPStan/Parser/TypeParserTest.php

...s/PHPStan/Printer/IntegrationPrinterWithPhpParserTest.php

tests/PHPStan/Printer/PrinterTest.php