gtest: Enable GTests in CI workflows #313

Job	Run time
Build on ubuntu20.04 aarch64 g++-9	8m 27s
Build on ubuntu-20.04 g++-9	1m 9s
build-macos (macos-latest)	36s
Build on ubuntu20.04 aarch64 g++-10	8m 10s
Build on ubuntu-20.04 g++-10	1m 5s
build-macos (flyci-macos-large-latest-m2)	26s
Build on ubuntu22.04 aarch64 g++-12	8m 28s
Build on ubuntu-22.04 g++-11	1m 2s
Build on ubuntu24.04 aarch64 g++-13	8s
Build on ubuntu-22.04 g++-12	1m 18s
Build on ubuntu24.04 aarch64 g++-14	5s
Build static on ubuntu-latest	1m 1s
Build on ubuntu-latest g++-13	4s
Build on ubuntu20.04 aarch64 clang-9	11m 51s
Build on ubuntu-latest g++-14	7s
Build on ubuntu20.04 aarch64 clang-10	12m 9s
Build on ubuntu-20.04 clang-10	1m 26s
build-windows	1m 34s
Build on ubuntu22.04 aarch64 clang-14	12m 26s
Build on ubuntu-20.04 clang-11	1m 3s
Build on ubuntu22.04 armv7 g++	7m 38s
Build on ubuntu-22.04 clang-12	1m 5s
Build on ubuntu22.04 ppc64le g++-12	8m 20s
Build on ubuntu-22.04 clang-13	1m 2s
Build on ubuntu22.04 s390x g++-12	7m 30s
Build on ubuntu-22.04 clang-14	1m 11s
Build on ubuntu22.04 riscv64 g++-12	6m 55s
Build on ubuntu-22.04 clang-15	58s
Build on ubuntu-22.04 clang-16	8s
Build on ubuntu-latest clang-17	7s
Build on ubuntu-latest clang-18	5s
	1h 47m 34s

Provide feedback