add the pg version 16 (#2557)

* add the pg version 16

* add comma after pg16 in crds api

* change minimal_major_version to 12

* add new spilo image for pg16

* edit the registry from current and lazy spilo

* Update e2e/run.sh

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>

* Update README.md

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>

* add pg 11 to be compatible for the existing DBs

* update pq, pyyaml,k8s and kind version

* skip test_infrastructure_roles

* skip another test

* remove the skipping

* adjust the verification of new Patroni version states

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Co-authored-by: Felix Kunde <felix-kunde@gmx.de>