This is a common misconception. IP addresses are only considered PII if you are in the position of being able to decode them to an identity. An anonymous version checking service obviously does not count.
But as others already said: if you don’t store the IP (eg in logs) it should be fine.
An IP address alone may not reveal who had visited a site. However, Internet Service Providers have additional data that can link IP addresses to individual people. Although it's unlikely that the two data sets will ever be matched up, it is possible. So IP addresses must be treated as personal data.
You can make up your own interpretations of the law as much as you want, but in real life the interpretation from the CJEU (for US readers like me, the EU's equivalent of the Supreme Court) is the one that matters.