It hasn’t gone all the way through the tyre but I noticed this small cut on the side wall. I bought a replacement tyre and fitted it but I’m wondering if this is safe/am I being overly cautious?

It hasn’t gone all the way through the tyre but I noticed this small cut on the side wall. I bought a replacement tyre and fitted it but I’m wondering if this is safe/am I being overly cautious?

by FlashyBasil6322