Update adt_pull_request.yml for Azure Pipelines

Author: DiegoGalante

adt_pull_request.yml

@@ -73,7 +73,7 @@ steps:
   displayName: Publish code coverage
   inputs:
     codeCoverageTool: Opencover
-    summaryFileLocation: $(Agent.TempDirectory)/**/coverage.cobertura.xml
+    summaryFileLocation: $(Agent.TempDirectory)/**/coverage.opencover.xml
     pathToSources: $(BuildParameters.pathToSources)
     reportDirectory: $(build.artifactstagingdirectory)/Coverage/
     failIfCoverageEmpty: true