Add CHIPS gamma-nuclear cross sections (#2149) #4129

Job	Run time
Save job metadata	3s
build-fast / windows	4m 44s
build-ultralite / ultralite-ubuntu	1m 18s
build-fast / noble-gcc-14-c++20	1m 26s
build-ultralite / ultralite-windows	7m 31s
build-fast / noble-gcc-14	1m 35s
build-fast / jammy-gcc-12	1m 19s
build-fast / noble-clang-18	1m 33s
build-fast / noble-arm-clang-18-c++20	1m 19s
build-fast / noble-clang-18-c++20	1m 33s
doc / user	4m 59s
build-fast / jammy-clang-15	1m 22s
doc / dev	44s
build-spack	0s
all-prechecks	-1s
all	2s
build-docker	0s
	29m 27s

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