Actually Le Chat is french for the (male) cat. Also 'Le Chat' is a well known laundry detergent (of german origin - Henkel company).
The headline 'Le Chat takes a deep dive' means 'the cat takes a deep dive'. As there is a cooperation with (german) Black Forest Labs, this is all pretty funny for a french speaking person.
'La Chatte' is the female cat. And also colloquial for female private parts.