[DBAL-3798] Suppressed issues found by PHPStan

phpstan.neon.dist

@@ -29,7 +29,7 @@ parameters:
         - '~^Method Doctrine\\DBAL\\Driver\\SQLSrv\\SQLSrvConnection::errorCode\(\) should return string\|null but returns false\.\z~'
 
         # https://bugs.php.net/bug.php?id=78126
-        - '~^Call to an undefined method Doctrine\\DBAL\\Driver\\PDOConnection::sqliteCreateFunction\(\)\.\z~'
+        - '~^Call to an undefined method PDO::sqliteCreateFunction\(\)\.\z~'
 
         # https://github.com/phpstan/phpstan/issues/1847
         - '~^Parameter #2 \$registeredAliases of static method Doctrine\\DBAL\\Query\\QueryException::unknownAlias\(\) expects array<string>, array<int, int|string> given\.\z~'