OPENSUSE-SU-2026:20918-1 Security update for salt

This update for salt fixes the following issues: Security fixes: - CVE-2026-31958: python-tornado: parsing large multipart bodies with many parts can cause a denial of service bsc1259554 Other changes in salt: - Use non vendored tornado with Python 3.11 bsc1257583, bsc1259700 - Harden Tornado fro...