Update Horizontal Pod Autoscaler to v2

Update to autoscaling/v2, as autoscaling/v2beta2 is deprecated since kubernetes v1.23.

requested review from @shaardie

assigned to @m_blan04

kubeconform is happy, so I am happy too.

approved this merge request

added 2 commits

• 87a2abf2 - 1 commit from branch main
• 633c556f - update hpa to v2

Compare with previous version

merged