feat(helm): support different replicaCount (#20883)

* feat(helm): bump chart version

* feat(helm): add separate replicaCount for superset node / worker

* docs: update documentation

* ref(helm): add replicaCount with condition

* ref(helm): edit condition

* ref(helm): enclose replica with if/else

* ref(helm): remove specific replicaCount in values

* revert: "docs: update documentation"

This reverts commit 6ab95a71a2df267e9e1f16ec0ca03b014006aa2c.

* fix(helm): fix typo

* ref(helm): replace condition with default value

* ref(helm): replace replicaCount with per-component replicaCount

Co-authored-by: Gabriel Forien <gforien.externe@bedrockstreaming.com>