New and improved kernels
* add RISC-V Vector extension (RVV) kernels
* New AVX512F implementation
Improved and modernized CI
* ci: Add first native Linux ARM runners
* macos: Fix CI dependency error
* appveyor: Update to VS 2022/Python 3.12
* Update android_build.yml
Improved builds
* cmake: Fix 64bit host CPU detection
* cmake: Suppress invalid escape sequence warnings with Python 3.12
* cmake/pkgconfig: use CMAKE_INSTALL_FULL_* variables
* cmake: Fix VOLK as a submodule build issue
* Adds toolchain file for Raspberry Pi 5
New and improved tests
* gtest: Start work on new test infrastructure
* tests: Add a log info print test
* gtest: Make gtest an install dependency
* gtest: Enable GTests in CI workflows
* tests: Beautify test output
Documentation
* cpu_features: Update hints in README
Code quality
* Add const to several args
Usability features
* feature: add env variable kernel override
OBS-URL: https://build.opensuse.org/package/show/hardware:sdr/volk?expand=0&rev=27
