Removing unneeded filter

Author: jbogard

.github/workflows/release.yml

@@ -55,7 +55,6 @@ jobs:
         run: ./Build.ps1
         shell: pwsh
       - name: Sign packages
-        if: github.event == 'push'
         run: |-
           for file in artifacts/*.nupkg; do
             dotnet NuGetKeyVaultSignTool sign "$file" --file-digest sha256 --timestamp-rfc3161 http://timestamp.digicert.com --azure-key-vault-managed-identity --azure-key-vault-url ${{ secrets.AZURE_KEYVAULT_URI }} --azure-key-vault-certificate ${{ secrets.CODESIGN_CERT_NAME }}