Security update for spectre-meltdown-checker

This update for spectre-meltdown-checker fixes the following issues: - updated to 0.46 This release mainly focuses on the detection of the new Zenbleed (CVE-2023-20593) vulnerability, among few other changes that were in line waiting for a release: - feat: detect the vulnerability and mitigation of Zenbleed (CVE-2023-20593) - feat: add the linux-firmware repository as another source for CPU microcode versions - feat: arm: add Neoverse-N2, Neoverse-V1 and Neoverse-V2 - fix: docker: adding missing utils (#433) - feat: add support for Guix System kernel - fix: rewrite SQL to be sqlite3 >= 3.41 compatible (#443) - fix: a /devnull file was mistakenly created on the filesystem - fix: fwdb: ignore MCEdb versions where an official Intel version exists (fixes #430) - updated to 0.45 - arm64: phytium: Add CPU Implementer Phytium - arm64: variant 4: detect ssbd mitigation from kernel img, system.map or kconfig - chore: ensure vars are set before being dereferenced (set -u compat) - chore: fix indentation - chore: fwdb: update to v220+i20220208 - chore: only attempt to load msr and cpuid module once - chore: read_cpuid: use named constants - chore: readme: framapic is gone, host the screenshots on GitHub - chore: replace 'Vulnerable to' by 'Affected by' in the hw section - chore: speculative execution -> transient execution - chore: update fwdb to v222+i20220208 - chore: update Intel Family 6 models - chore: wording: model not vulnerable -> model not affected - doc: add an FAQ entry about CVE support - doc: add an FAQ.md and update the README.md accordingly - doc: more FAQ and README - doc: readme: make the FAQ entry more visible - feat: add --allow-msr-write, no longer write by default (#385), detect when writing is denied - feat: add --cpu, apply changes to (read|write)_msr, update fwdb to v221+i20220208 - feat: add subleaf != 0 support for read_cpuid - feat: arm: add Cortex A77 and Neoverse-N1 (fixes #371) - feat: bsd: for unimplemented CVEs, at least report when CPU is not affected - feat: hw check: add IPRED, RRSBA, BHI features check - feat: implement detection for MCEPSC under BSD - feat: set default TMPDIR for Android (#415) - fix: extract_kernel: don't overwrite kernel_err if already set - fix: has_vmm false positive with pcp - fix: is_ucode_blacklisted: fix some model names - fix: mcedb: v191 changed the MCE table format - fix: refuse to run under MacOS and ESXi - fix: retpoline: detection on 5.15.28+ (#420) - fix: variant4: added case where prctl ssbd status is tagged as 'unknown'