Update code-sign.yml for Azure Pipelines

Author: Nickcandy

.azure-pipelines/code-sign.yml

@@ -20,7 +20,7 @@ jobs:
           git remote set-url origin https://azure-powershell-bot:[email protected]/Azure/azure-powershell.git;
           git fetch origin
           git checkout -b ${{ parameters.OOBBranch }} origin/${{ parameters.OOBBranch }}
-    condition: ${{ eq(parameters.OOBBranch, 'none') }}
+    condition: ne('${{ parameters.OOBBranch }}', 'none')
   - pwsh: 'Install-Module platyPS -Force -Confirm:$false -Scope CurrentUser'
     displayName: 'Install platyPS'