Add glob to ESRP search pattern (#4245)

Author: benrr101

eng/pipelines/onebranch/jobs/build-buildproj-job.yml

@@ -155,7 +155,7 @@ jobs:
               authSignCertName: '${{ parameters.signingAuthSignCertName }}'
               esrpClientId: '${{ parameters.signingEsrpClientId }}'
               esrpConnectedServiceName: '${{ parameters.signingEsrpConnectedServiceName }}'
-              pattern: '${{ parameters.packageFullName }}.dll'
+              pattern: '**/${{ parameters.packageFullName }}.dll'
 
       # Copy signed/unsigned DLLs and PDBs to APIScan folders.
       - task: CopyFiles@2