Support cf-br20, cf-br30, cf-ap30

Description

We will enhance azure, azure_lite and gcp plans with new regions. Then we will refresh catalogs on ERS side for new BTP regions.

Reason

We will support one BTP regions: 1) Brasil (São Paulo) cf-br20 - Azure 2) Brasil (São Paulo) cf-br30 - GCP 3) Australia (Sydney) cf-ap30 - GCP

[x] 0) no feature flag
[x] 1) extend azure, azure_lite plans region list with: brazilsouth (Brasil, São Paulo)
[x] 2) extend gcp plan region list with: southamerica-east1 (Brasil, São Paulo) and australia-southeast1 (Australia, Sydney)
[x] 3) Adjust documentation in the Help Portal: - (@IwonaLanger )
- [x] Provisioning and Updating Parameters in the Kyma Environment
- [x] Regions for the Kyma Environment
[x] 3) Release note - (@IwonaLanger ); published here.

Regions must look like:

gcp:

"region": {
    "_enumDisplayName": {
        "asia-northeast2": "asia-northeast2 (Japan, Osaka)",
        "asia-south1": "asia-south1 (India, Mumbai)",
        "europe-west3": "europe-west3 (Europe, Frankfurt)",
        "me-central2": "me-central2 (KSA, Dammam)",
        "me-west1": "me-west1 (Israel, Tel Aviv)",
        "us-central1": "us-central1 (US Central, IA)",
        "southamerica-east1 (Brasil, São Paulo)",
        "australia-southeast1 (Australia, Sydney)"
    },
    "enum": [
        "europe-west3",
        "asia-south1",
        "us-central1",
        "me-central2",
        "asia-northeast2",
        "me-west1",
        "southamerica-east1",
        "australia-southeast1"
    ],
    "minLength": 1,
    "type": "string"
}

azure, azure_lite:

"region": {
    "_enumDisplayName": {
        "australiaeast": "australiaeast (Australia, Sydney)",
        "centralus": "centralus (US Central, IA)",
        "eastus": "eastus (US East, VA)",
        "japaneast": "japaneast (Japan, Tokyo)",
        "northeurope": "northeurope (Europe, Ireland)",
        "southeastasia": "southeastasia (Asia Pacific, Singapore)",
        "uksouth": "uksouth (UK South, London)",
        "westeurope": "westeurope (Europe, Netherlands)",
        "westus2": "westus2 (US West, WA)",
        "brazilsouth (Brasil, São Paulo)"
    },
    "enum": [
        "eastus",
        "centralus",
        "westus2",
        "uksouth",
        "northeurope",
        "westeurope",
        "japaneast",
        "southeastasia",
        "australiaeast",
        "brazilsouth",
    ],
    "minLength": 1,
    "type": "string"
}

kyma-project / kyma-environment-broker

Support cf-br20, cf-br30, cf-ap30 #1139