build

Add LUMI-G to build-hpc CI workflow #1026

Job	Run time
ci (Release, linux gnu-10)	8m 19s
ci (Release, linux clang-12)	5m 2s
ci (Release, linux nvhpc-21.9)	16m 2s
ci (Release, linux intel-classic)	8m 37s
ci (Release, macos)	8m 1s
ci (Debug, linux gnu-10)	17m 27s
ci (Debug, linux clang-12)	7m 58s
ci (Debug, linux nvhpc-21.9)	34m 32s
ci (Debug, linux intel-classic)	16m 49s
ci (Debug, macos)	12m 14s
	2h 15m 1s

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