maintainer updates for 10.2 - clean-up remaining 32 bit armhf bits in ci - rationalise build-environment.yml for Debian and Ubuntu - generate a Debian ppc64 package list - rationalise gitlab-runner.yml for Debian and Ubuntu - new TCG plugin feature to track discontinuities - add missing CFI annotation to plugin callbacks - drop SBSA_REF from minimal Arm build - format string fix for gdbstub syscall response - simplify the gdbstub flen handling for semihosting