updated keyvault prefix to lower case

Author: Kanchan-Microsoft

infra/main.bicep

@@ -553,7 +553,7 @@ module avmPrivateDnsZones 'br/public:avm/res/network/private-dns-zone:0.7.1' = [
 ]
 
 // ==========Key Vault Module ========== //
-var keyVaultName = 'KV-${solutionSuffix}'
+var keyVaultName = 'kv-${solutionSuffix}'
 module keyvault 'br/public:avm/res/key-vault/vault:0.12.1' = {
   name: take('avm.res.key-vault.vault.${keyVaultName}', 64)
   params: {

infra/main.json

@@ -359,7 +359,7 @@
       "[variables('dnsZoneIndex').openAI]",
       "[variables('dnsZoneIndex').aiServices]"
     ],
-    "keyVaultName": "[format('KV-{0}', variables('solutionSuffix'))]",
+    "keyVaultName": "[format('kv-{0}', variables('solutionSuffix'))]",
     "useExistingAiFoundryAiProject": "[not(empty(parameters('existingFoundryProjectResourceId')))]",
     "aiFoundryAiServicesSubscriptionId": "[if(variables('useExistingAiFoundryAiProject'), split(parameters('existingFoundryProjectResourceId'), '/')[2], subscription().id)]",
     "aiFoundryAiServicesResourceGroupName": "[if(variables('useExistingAiFoundryAiProject'), split(parameters('existingFoundryProjectResourceId'), '/')[4], format('rg-{0}', variables('solutionSuffix')))]",

infra/main_custom.bicep

@@ -445,7 +445,7 @@ module avmPrivateDnsZones 'br/public:avm/res/network/private-dns-zone:0.7.1' = [
 ]
 
 // ========== Key Vault Module ========== //
-var keyVaultName = 'KV-${solutionSuffix}'
+var keyVaultName = 'kv-${solutionSuffix}'
 module keyvault 'br/public:avm/res/key-vault/vault:0.12.1' = {
   name: take('avm.res.key-vault.vault.${keyVaultName}', 64)
   params: {