fix: update pControlTowerRegionsOnly property to default to true to enable GuardDuty deployments on ControlTower governed regions only

Author: nshalabh

aws_sra_examples/easy_setup/templates/sra-easy-setup.yaml

@@ -1177,7 +1177,7 @@ Parameters:
     Type: String
   pGuardDutyCustomerGovernedRegionsOnly:
     AllowedValues: ["true", "false"]
-    Default: "false"
+    Default: "true"
     Description: Indicates whether to enable GuardDuty in the customer's Goverened Regions only. Example - Control Tower regions, or Common Prerequisites regions.
     Type: String
   pGuardDutyEnabledRegions:

aws_sra_examples/modules/guardduty-org-module/templates/sra-guardduty-org-module-main.yaml

@@ -272,7 +272,7 @@ Parameters:
   pControlTowerRegionsOnly:
     Type: String
     Description: Only enable in the Control Tower governed regions (set to true for environments without AWS Control Tower)
-    Default: 'false'
+    Default: 'true'
     AllowedValues: ['true', 'false']
   pEnabledRegions:
     AllowedPattern: '^$|^([a-z0-9-]{1,64})$|^(([a-z0-9-]{1,64},)*[a-z0-9-]{1,64})$'

aws_sra_examples/modules/guardduty-org-module/templates/sra-guardduty-org-solution.yaml

@@ -359,7 +359,7 @@ Parameters:
   pControlTowerRegionsOnly:
     Type: String
     Description: Only enable in the Control Tower governed regions (set to true for environments without AWS Control Tower)
-    Default: 'false'
+    Default: 'true'
     AllowedValues: ['true', 'false']
   pEnabledRegions:
     AllowedPattern: '^$|^([a-z0-9-]{1,64})$|^(([a-z0-9-]{1,64},)*[a-z0-9-]{1,64})$'

aws_sra_examples/solutions/security_lake/security_lake_org/templates/sra-security-lake-org-configuration.yaml

@@ -236,7 +236,7 @@ Parameters:
     Default: 'ALL'
   pControlTowerRegionsOnly:
     AllowedValues: ['true', 'false']
-    Default: 'false'
+    Default: 'true'
     Description: Only enable in the customer governed regions specified in Control Tower or Common Prerequisites solution
     Type: String
   pComplianceFrequency: