I think if your ps4 survived in there the ps5 will be absolutely fine.
Here's mine, although I'm not in the hot area of the world atm I can definitely feel hot air around that section, it has worried me and as AJ says it will circulate the hot air, so I've considered maybe taking a saw to the back area and opening it up a bit more but don't really want to ruin the look so, meh just leaving it for now
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Whenever I walk past mine; whilst I've been killing hookers and drug dealers in GTA - it's been noticably warm near it. As far as 3 - 5 cm I'd say. It positioned much like yours, too. I don't worry about it though. It must just do what it must.
