curl --request PATCH \
  --url https://us.infisical.com/api/v1/app-connections/gcp/{connectionId} \
  --header 'Content-Type: application/json' \
  --data '{
  "credentials": {
    "serviceAccountEmail": "[email protected]"
  },
  "name": "<string>",
  "description": "<string>",
  "isPlatformManagedCredentials": true,
  "gatewayId": "<any>"
}'

{
  "appConnection": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "description": "<string>",
    "version": 1,
    "orgId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "isPlatformManagedCredentials": false,
    "gatewayId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "credentialsHash": "<string>",
    "app": "gcp",
    "method": "service-account-impersonation",
    "credentials": {}
  }
}