refactor(params): auto-generate Fortran namelists from Python, eliminate toolchain duplication #6556

Job	Run time
Detect File Changes	14s
Lint Gate	44s
Rebuild Coverage Cache	9m 57s
Case Opt \| ${{ matrix.cluster_name }} (${{ matrix.device }}-${{ matrix.interface }})	-1s
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')	-1s
${{ matrix.cluster_name }} (${{ matrix.device }}${{ (((matrix.interface != 'none') && format('-{0}', matrix.interface)) \|\| '') }}${{ (((matrix.shard != '') && format(' [{0}]', matrix.shard)) \|\| '') }})	-1s
	10m 52s

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