feat(helm): add RollingUpdate parameters

[gforien]

SUMMARY

We want to handle the RollingUpdate parameters for the supersetNode and supersetWorker.

How

• Add the parameters in the deployment.yaml and deployment-worker.yaml templates
• Get default values from K8S documentation to ensure no change
• Put default values in values.yaml
• Update JSON schema
• Bump chart version

TESTING INSTRUCTIONS

helm lint
helm template . superset-release

ADDITIONAL INFORMATION

• [ ] Has associated issue:
• [ ] Required feature flags:
• [ ] Changes UI
• [ ] Includes DB Migration (follow approval process in SIP-59)
  • [ ] Migration is atomic, supports rollback & is backwards-compatible
  • [ ] Confirm DB migration upgrade and downgrade tested
  • [ ] Runtime estimates and downtime expectations provided
• [ ] Introduces new feature or API
• [x] Removes existing feature or API