perl-Spreadsheet-XLSX from openSUSE:Backports:SLE-15-SP4 project

需要 standard ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15-SP4/standard/openSUSE:Backports:SLE-15-SP4.repo
zypper refresh
zypper install perl-Spreadsheet-XLSX