Add component detection step to builds

- aspnet/AspNetCore-Internal#1254

azure-pipelines.yml

@@ -83,6 +83,10 @@ jobs:
         name: Build
         displayName: Build
         condition: succeeded()
+      # Detect OSS Components in use in the product. Only needs to run on one OS in the matrix.
+      - task: ms.vss-governance-buildtask.governance-build-task-component-detection.ComponentGovernanceComponentDetection@0
+        displayName: Detect components
+        condition: and(succeeded(), eq(variables['system.pullrequest.isfork'], false), eq(variables['_BuildConfig'], 'Release'))
       - task: PublishBuildArtifacts@1
         displayName: Publish VSIX Artifacts
         inputs: