chore(deps): update resource microsoft.web/sites/config to 2024-04-01 (…

…#1480)

This PR contains the following updates:

| Resource | Change |
|---|---|
| Microsoft.Web/sites/config | `2023-12-01` -> `2024-04-01` |

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.azure/modules/functionApp/appSettings.bicep

@@ -11,7 +11,7 @@ resource webApp 'Microsoft.Web/sites@2024-04-01' existing = {
   name: webAppName
 }
 
-resource siteconfig 'Microsoft.Web/sites/config@2023-12-01' = {
+resource siteconfig 'Microsoft.Web/sites/config@2024-04-01' = {
   parent: webApp
   name: 'appsettings'
   properties: union(currentAppSettings, appSettings)