Security update for spectre-meltdown-checker

This update for spectre-meltdown-checker fixes the following issues: spectre-meltdown-checker was updated to version 0.44 (bsc#1189477) - feat: add support for SRBDS related vulnerabilities - feat: add zstd kernel decompression (#370) - enh: arm: add experimental support for binary arm images - enh: rsb filling: no longer need the 'strings' tool to check for kernel support in live mode - fix: fwdb: remove Intel extract tempdir on exit - fix: has_vmm: ignore kernel threads when looking for a hypervisor (fixes #278) - fix: fwdb: use the commit date as the intel fwdb version - fix: fwdb: update Intel's repository URL - fix: arm64: CVE-2017-5753: kernels 4.19+ use a different nospec macro - fix: on CPU parse info under FreeBSD - chore: github: add check run on pull requests - chore: fwdb: update to v165.20201021+i20200616