[ntuple] split RNTupleOptions header #6888

Job	Run time
Upload Event Payload	3s
fedora39 LLVM_ENABLE_ASSERTIONS=On, CMAKE_CXX_STANDARD=20	38m 2s
Windows 10 x64 Release	37m 50s
mac12 X64	36m 46s
fedora38 LLVM_ENABLE_ASSERTIONS=On, CMAKE_CXX_STANDARD=20, CMAKE_BUILD_TYPE=Debug	1h 9m 33s
Windows 10 x86 Release	1h 17m 21s
mac13 ARM64 LLVM_ENABLE_ASSERTIONS=On	23m 2s
alma8 LLVM_ENABLE_ASSERTIONS=On	24m 57s
mac14 ARM64 LLVM_ENABLE_ASSERTIONS=On, CMAKE_CXX_STANDARD=20	21m 24s
alma9 LLVM_ENABLE_ASSERTIONS=On, CMAKE_BUILD_TYPE=Debug	57m 13s
ubuntu20 LLVM_ENABLE_ASSERTIONS=On	25m 24s
ubuntu22 imt=Off, LLVM_ENABLE_ASSERTIONS=On, CMAKE_BUILD_TYPE=Debug	47m 55s
ubuntu2304 LLVM_ENABLE_ASSERTIONS=On	28m 54s
ubuntu2310 LLVM_ENABLE_ASSERTIONS=On, CMAKE_CXX_STANDARD=20	30m 58s
	8h 39m 22s

Provide feedback