Bugfixes 🐛

• Fixed parent class of ParseError on PHP < 7.3 (phpstan/phpstan-src@353cb01), #3690
• Fix unknown constants as default parameter values (phpstan/phpstan-src@d3044ee), #3635, #3629
• Private __clone method isn't considered unused (phpstan/phpstan-src@cdbed86), #3630
• Do not report unused private methods/properties in traits (phpstan/phpstan-src@5958c29), #3637
• Fix anonymous class that extends the outer class (phpstan/phpstan-src@4cad0c6), #3663
• Fix infinite loop (phpstan/phpstan-src@6d81881), #3686

Function signature fixes 🤖

• Correct return types for odbc_connect() and odbc_prepare() (#289), thanks @duncan3dc!