Update azure-pipelines-release.yml (#7706)

Author: gave92

builds/azure-pipelines-release.yml

@@ -146,7 +146,7 @@ jobs:
   - task: UseDotNet@2
     inputs:
       packageType: sdk
-      version: 6.x
+      version: 6.0.100
 
   - task: MSBuild@1
     inputs: