Release 3.1.2 #893

Job	Run time
build-macos (macos-latest)	1m 5s
build-macos (flyci-macos-large-latest-m2)	18s
Build on ubuntu20.04 aarch64 g++-8	7m 14s
Build on ubuntu-20.04 g++-7	55s
Build on ubuntu20.04 aarch64 g++-9	7m 10s
Build static on ubuntu-latest	1m 2s
Build on ubuntu-20.04 g++-8	50s
Build on ubuntu20.04 aarch64 g++-10	6m 54s
Build on ubuntu-latest g++-9	56s
Build on ubuntu22.04 aarch64 g++-12	7m 10s
build-windows	2m 42s
Build on ubuntu-latest g++-10	59s
Build on ubuntu20.04 aarch64 clang-9	11m 16s
Build on ubuntu-20.04 clang-7	1m 0s
Build on ubuntu20.04 aarch64 clang-10	10m 56s
Build on ubuntu-20.04 clang-8	1m 0s
Build on ubuntu22.04 aarch64 clang-14	10m 43s
Build on ubuntu-20.04 clang-9	56s
Build on ubuntu22.04 armv7 g++	6m 53s
Build on ubuntu-20.04 clang-10	58s
Build on ubuntu22.04 ppc64le g++-12	7m 12s
Build on ubuntu-20.04 clang-11	1m 10s
Build on ubuntu22.04 s390x g++-12	6m 27s
Build on ubuntu-latest clang-12	58s
Build on ubuntu-latest clang-13	1m 7s
Build on ubuntu-latest clang-14	58s
Build on ubuntu22.04 riscv64 g++-12	6m 24s
	1h 45m 13s

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