Sync eng/common directory with azure-sdk-tools for PR 11039 (#2742)

* Disable SBom generation for pull requests

* Update eng/common/pipelines/templates/steps/publish-1es-artifact.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Wes Haggard <weshaggard@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 3 people

eng/common/pipelines/templates/steps/publish-1es-artifact.yml

@@ -31,8 +31,8 @@ steps:
     inputs:
       artifactName: '$(PublishArtifactName)'
       targetPath: '${{ parameters.ArtifactPath }}'
-      # Disable sbom generation by default for our public validation builds to avoid unnecessary work
-      ${{ if eq(variables['System.TeamProject'], 'public') }}:
+      # Disable sbom generation by default for our public or pull request validation builds to avoid unnecessary work
+      ${{ if or(eq(variables['System.TeamProject'], 'public'), eq(variables['Build.Reason'], 'PullRequest')) }}:
         sbomEnabled: false
       ${{ else }}:
         sbomEnabled: ${{ parameters.SbomEnabled }}