fix #829: panicks with sox 14.6.1-1

build: Fix --build-3rdparty on cmake 4.x

build: Fix build with -std=c++11 on macOS

ci: Update compilers & toolchains

build: Bump openfec

build: Bump c++ standard to c++11

Revert "ci: Disable benchmarks & valgrind builds on CI"

Revert "ci: Disable archlinux in master"

docs: README updates

ci: Hardening

ci: Disable benchmarks & valgrind builds on CI

ci: Disable archlinux in master

ci: Don't trigger rt-tests

ci: Fix triggers token

scons: Fix building sox on macOS