CI: Update for V2

Author: bashtage

ci/azure_template_posix.yml

@@ -152,9 +152,8 @@ jobs:
       testRunTitle: 'Python $(python.version)'
     condition: succeededOrFailed()
 
-  - task: PublishCodeCoverageResults@1
+  - task: PublishCodeCoverageResults@2
     inputs:
-      codeCoverageTool: Cobertura
       summaryFileLocation: '$(System.DefaultWorkingDirectory)/**/coverage.xml'
     condition: and(eq(variables['coverage'], 'true'), ne(variables['test.install'], 'true'))