update API versions for Cosmos DB tests (#35)

Author: taoyangcloud

tests/policy-integration-tests/cosmos-db/main.bad.bicep

@@ -14,7 +14,7 @@ var namePrefix = globalConfig.namePrefix
 
 // define template specific variables
 var serviceShort = 'cos3'
-resource cosmosDb 'Microsoft.DocumentDB/databaseAccounts@2023-03-15' = {
+resource cosmosDb 'Microsoft.DocumentDB/databaseAccounts@2026-04-01-preview' = {
   kind: 'GlobalDocumentDB'
   name: '${namePrefix}${serviceShort}01'
   location: location

tests/policy-integration-tests/cosmos-db/main.good.bicep

@@ -14,7 +14,7 @@ var namePrefix = globalConfig.namePrefix
 
 // define template specific variables
 var serviceShort = 'cos2'
-resource cosmosDb 'Microsoft.DocumentDB/databaseAccounts@2025-11-01-preview' = {
+resource cosmosDb 'Microsoft.DocumentDB/databaseAccounts@2026-04-01-preview' = {
   kind: 'GlobalDocumentDB'
   name: '${namePrefix}${serviceShort}01'
   location: location

tests/policy-integration-tests/cosmos-db/main.test.bicep

@@ -29,7 +29,7 @@ resource vnet 'Microsoft.Network/virtualNetworks@2025-05-01' existing = {
   resource peSubnet 'subnets' existing = { name: peSubnetName }
 }
 
-resource cosmosDb 'Microsoft.DocumentDB/databaseAccounts@2025-11-01-preview' = {
+resource cosmosDb 'Microsoft.DocumentDB/databaseAccounts@2026-04-01-preview' = {
   kind: 'GlobalDocumentDB'
   name: '${namePrefix}${serviceShort}01'
   location: location