Reduce size of nodes to 2CPU/8GB RAM for trial and free plan

[PK85]

Description

Reduce size of nodes to 2CPU/8GB RAM for trial and free plan.

Reasons

Cost reduction.

AC

• [x] 1) apply machine type change for free plan
  • [x] 1.1) deploy to dev and test
  • [x] 1.2) deploy to stage and test
  • [x] 1.3) deploy to prod and test
• [x] 2) apply machine type change for trial plan
  • [x] 2.1) deploy to dev and test
  • [x] 2.2) deploy to stage and test
  • [x] 2.3) deploy to prod and test
• [x] 3) Implement the mechanism with a feature flag
• [x] 4) Update help.sap docs - publication requested
  • [x] Provisioning and Updating Parameters in the Kyma Environment
  • [x] About the Trial Account
  • [x] disco 🥳 center (requested with this Jira ticket)
• [x] 5) RNki - Publication requested

[MarekMichali]

The smaller machine type has also been added to Azure lite.