CI: add arm64 builds #661

Job	Run time
CI (fedora, gmxpkg)	2m 44s
CI (fedora, rawhide, TAG=rawhide,PYTHON=python3.13, true)	2m 38s
CI (ubuntu, latest)	2m 19s
CI (ubuntu, intel, TAG=22.04,INTEL=yes, true)	5m 5s
CI (ubuntu, rolling, TAG=rolling)	2m 58s
CI (ubuntu, devel, TAG=devel, true)	3m 19s
CI (opensuse, latest, true)	3m 0s
CI (fedora, latest-amd64, GMX_BRANCH=release-2019,GMX_DOUBLE=ON)	6m 58s
CI (fedora, latest-arm64, GMX_BRANCH=release-2019,GMX_DOUBLE=ON, true)	6m 2s
CI (fedora, gmx2019, GMX_BRANCH=release-2019)	6m 54s
CI (fedora, gmx2024_d, GMX_BRANCH=release-2024,GMX_DOUBLE=ON)	10m 55s
CI (fedora, gmx2024, GMX_BRANCH=release-2024)	10m 37s
CI (fedora, gmx9999_d, GMX_BRANCH=main,GMX_DOUBLE=ON, true)	12m 19s
CI (fedora, gmx9999, GMX_BRANCH=main, true)	10m 58s
CI (fedora, nogmx, GMX_BRANCH=none)	2m 58s
CI (fedora, intel, TAG=38,INTEL=yes,PYTHON=python3.11, true)	27m 51s
CI (actions, latest)	38s
CI (format, latest)	59s
merge-docker-manifest	8s
	1h 59m 20s

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