Add DoEsrp Check for Signature Verification (microsoft#22570)

### Description
<!-- Describe your changes. -->
Add DoEsrp Check for Signature Verification


### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->

Author: idiskyle

tools/ci_build/github/azure-pipelines/templates/win-esrp-dll.yml

@@ -67,6 +67,7 @@ steps:
 
 - task: PowerShell@2
   displayName: 'Signature validation for signed file(s)'
+  condition: and(succeeded(), eq('${{ parameters.DoEsrp }}', true))
   inputs:
     targetType: 'inline'
     script: |