openSUSE-SU-2026:20878-1

This update for sdbootutil fixes the following issues

Security issue:

• CVE-2026-25701: use of fixed directory /tmp/pcrlock.d.back in sdbootutil-update-predictions.service (bsc#1258241).

Non security issues:

Update to version 1+git20260506.25d47bf:

• TPM based system does not auto-unlock encryption (bsc#1257612).
• openQA test fails in reboot_after_installation - sdbootutil does not honor timeout set by user (bsc#1258944).
• Installation with Systemd-boot fails when Turkish language is selected (bsc#1253652).
• armv7 installer requires sdbootutil and shim on armv7 (bsc#1254865).
• sdbootutil default entry not updated after update from 20250411 to 20250522 (bsc#1243889).
• sdbootutil: consistent naming conventions used for key/pin ? (bsc#1252871).
• UPDATE_NVRAM is NO when BLS bootloader is used (bsc#1247952).
• Use tmpfiles.d for /var directories (jsc#PED-14900).
• yast reports "Cannot enroll authentication" during fresh install of tumbleweed (bsc#1256775).