cmake: refactor generate-adios2-config.sh #6131

Job	Run time
git_checks	5s
format	29s
el8 (el8, icc, mpich)	22m 11s
el8 (el8, oneapi, mpich)	20m 57s
CodeQL (cpp)	19m 11s
docker (ubuntu-bionic)	7m 5s
macos (macos-13, xcode14_2, x64, shared, serial)	6m 34s
macos (macos-14, xcode15_4, arm64, shared, serial)	9m 32s
macos (macos-14, xcode15_4, arm64, static, serial)	3m 8s
windows (win2019, shared, msmpi)	18m 15s
ubuntu (ubuntu20.04, gcc8, mpich)	5m 12s
windows (win2022, shared, msmpi)	17m 17s
ubuntu (ubuntu20.04, gcc9, mpich)	17m 3s
windows (win2022, serial, windows-2022, vs2022)	12m 37s
ubuntu (ubuntu20.04, gcc10, mpich)	17m 25s
windows (win2022, static, serial, windows-2022, vs2022)	14m 40s
ubuntu (ubuntu20.04, clang6, mpich)	5m 8s
ubuntu (ubuntu20.04, clang10, mpich)	15m 14s
ubuntu (ubuntu20.04, gcc8, ompi)	34m 13s
ubuntu (ubuntu20.04, gcc8, serial)	9m 27s
ubuntu (ubuntu20.04, clang6, ompi)	25m 30s
ubuntu (ubuntu20.04, clang6, serial)	8m 17s
ubuntu (ubuntu20.04, gcc8, serial, static)	6m 46s
ubuntu (ubuntu22.04, rocm, serial, build_only)	2m 41s
ubuntu (ubuntu22.04, gcc11, mpich)	16m 20s
contract (examples)	2m 1s
contract (lammps)	4m 11s
contract (tau)	10m 28s
build_and_test	1s
	5h 31m 58s

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