Merge branch 'v16.9'

Author: AArnott

azure-pipelines/OptProf.yml

@@ -33,6 +33,8 @@ variables:
 - name: SignType
   value: real
 - group: Library.Template
+- name: NugetSecurityAnalysisWarningLevel
+  value: none # nuget.config requires signed packages by trusted owners
 
 stages:
 - stage: Library

azure-pipelines/microbuild.after.yml

@@ -19,7 +19,7 @@ steps:
     buildNumber: $(ProfilingInputsDropName)
     sourcePath: $(Build.ArtifactStagingDirectory)\OptProf\ProfilingInputs
     toLowerCase: false
-    usePat: false
+    usePat: true
   displayName: Publish to Artifact Services - ProfilingInputs
   condition: and(succeeded(), ne(variables['Build.Reason'], 'PullRequest'))
   continueOnError: true