CI: add intel build on ubuntu #560

Job	Run time
CI (fedora, gmxpkg)	2m 2s
CI (fedora, rawhide, TAG=rawhide,PYTHON=python3.12, true)	2m 1s
CI (ubuntu, latest)	1m 59s
CI (ubuntu, intel, TAG=22.04,INTEL=yes, true)	1m 48s
CI (ubuntu, rolling, TAG=rolling)	1m 51s
CI (ubuntu, devel, TAG=devel, true)	2m 1s
CI (opensuse, latest, true)	1m 56s
CI (fedora, latest, GMX_BRANCH=release-2019,GMX_DOUBLE=ON)	1m 58s
CI (fedora, gmx2019, GMX_BRANCH=release-2019)	2m 0s
CI (fedora, gmx2023_d, GMX_BRANCH=release-2023,GMX_DOUBLE=ON)	2m 2s
CI (fedora, gmx2023, GMX_BRANCH=release-2023)	2m 2s
CI (fedora, gmx9999_d, GMX_BRANCH=main,GMX_DOUBLE=ON, true)	2m 1s
CI (fedora, gmx9999, GMX_BRANCH=main, true)	1m 57s
CI (fedora, nogmx, GMX_BRANCH=none)	2m 1s
CI (fedora, intel, TAG=38,INTEL=yes,PYTHON=python3.11, true)	1m 58s
CI (actions, latest)	1m 25s
CI (format, latest)	57s
	31m 59s

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