RT 45014: parse '12.34..56.78' parsed as version string + '..' + float

Fixes https://rt.cpan.org/Public/Bug/Display.html?id=45014 where "12.34..56.78" parses as:

PPI::Document
  PPI::Statement
    PPI::Token::Number::Version          '12.34'
    PPI::Token::Operator       '..'
    PPI::Token::Number::Float          '56.78'