feat: publish container images to GHCR alongside Docker Hub #6365

Job	Run time
Lint Gate	41s
Detect File Changes	11s
matrix.nvhpc && format('NVHPC {0} ({1})', matrix.nvhpc, matrix.target) \|\| format('Github ({0}, {1}, {2}, {3})', matrix.os, matrix.mpi, matrix.debug, matrix.intel && 'intel' \|\| 'GNU')	0s
${{ matrix.cluster_name }} (${{ matrix.device }}${{ (((matrix.interface != 'none') && format('-{0}', matrix.interface)) \|\| '') }}${{ (((matrix.shard != '') && format(' [{0}]', matrix.shard)) \|\| '') }})	0s
Rebuild Coverage Cache	0s
Case Opt \| ${{ matrix.cluster_name }} (${{ matrix.device }}-${{ matrix.interface }})	0s
	52s

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