v2.2.6

What's Changed

• Workaround for getconf that doesn't support PATH by @johnsonjh
• Update for testing Clang 18 on OpenBSD by @johnsonjh
• Add operating system support for QNX ≳8.0 by @johnsonjh
• Update tested compiler versions; add МЦСТ LCC (Elbrus C Compiler); add МЦСТ Эльбрус (E2K) architecture; improve QNX compiler detection by @johnsonjh
• Temporarily disable MSBuild tests in Wine; simplify QNX Makefile rules by @johnsonjh
• Update .editorconfig for vendored files by @johnsonjh i
• Portability: Add support for Managarm OS by @johnsonjh
• Update Doxygen to 1.14.0 and regenerate docs by @johnsonjh
• Update email address, mcmb, REUSE config, and copyright dates by @johnsonjh
• CI: Use Clang 21 and GCC 15 for FreeBSD; disable OS400 syslog output by @johnsonjh
• fix potential leaked thread handle by @aremmell
• Update OSS scorecard action by @aremmell