Update installing .ENT Core 3.0 in CI

Author: CESARDELATORRE

.vsts-dotnet-ci.yml

@@ -193,11 +193,11 @@ phases:
 - phase: DatabaseIntegration
   queue: Hosted VS2017
   steps:
-  - task: UseDotNet@2
-  displayName: Install .NET Core 3.0 SDK
-  inputs:
-    packageType: 'sdk'
-    version: '3.0.100'
+  - task: DotNetCoreInstaller@0
+    displayName: Install .NET Core 3.0
+    inputs:
+      packageType: 'sdk'
+      version: '3.0.100'
   - task: DotNetCoreCLI@2
     displayName: Build Database Integration
     inputs: