Adds infrastructure for various Sapphire Rapids instances on AWS #15

Job	Run time
setup_shared_matrix	5s
build_caliper_container (hpdc-2025, 2025-HPDC, linux, amd64, docker/Dockerfile.caliper, ghcr.io/l...	7m 38s
build_init_container (hpdc-2025, 2025-HPDC, linux, amd64, docker/Dockerfile.init, ghcr.io/llnl/re...	5m 40s
build_thicket_container (hpdc-2025, 2025-HPDC, linux, amd64, docker/Dockerfile.thicket, ghcr.io/l...	6m 49s
build_benchpark_container (hpdc-2025, 2025-HPDC, linux, amd64, docker/Dockerfile.benchpark, ghcr....	8m 53s
build_spawn_container (hpdc-2025, 2025-HPDC, linux, amd64, docker/Dockerfile.spawn, ghcr.io/llnl/...	10m 17s
	39m 22s

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