Don't run Roslyn analyzers on PRs (#336)

* Don't run Roslyn analyzers on PRs

* fix

Author: Charles-Gagnon

builds/azure-pipelines/template-steps-build-test.yml

@@ -92,12 +92,13 @@ steps:
     arguments: 'analyze $(Build.SourcesDirectory)\src\bin\${{ parameters.configuration }}\* --recurse --verbose'
   condition: and(succeeded(), eq(variables['Agent.OS'], 'Windows_NT'))
 
+# Don't run for PRs since this currently breaks on runs from forks. We run this daily ourselves anyways.
 - task: securedevelopmentteam.vss-secure-development-tools.build-task-roslynanalyzers.RoslynAnalyzers@3
   inputs:
     userProvideBuildInfo: 'autoMsBuildInfo'
   env:
     SYSTEM_ACCESSTOKEN: $(System.AccessToken)
-  condition: and(succeeded(), eq(variables['Agent.OS'], 'Windows_NT'))
+  condition: and(succeeded(), eq(variables['Agent.OS'], 'Windows_NT'), ne(variables['Build.Reason'], 'PullRequest'))
 
 - task: securedevelopmentteam.vss-secure-development-tools.build-task-credscan.CredScan@2
   inputs: