Invalid YAML in test_cpu suite rejected by yaml-cpp 0.9.0

https://github.com/NixOS/nixpkgs/pull/560590#issuecomment-5564165433

When built against yaml-cpp version 0.9.0, `test_cpu_exec` fails:

```
[ 129/1169] [Config / inactive_color_space_precedence ] - PASSED
/build/source/tests/cpu/Config_tests.cpp:6502:
FAILED: exception thrown from config = OCIO::Config::CreateFromStream(is): "Error: Loading the OCIO profile failed. yaml-cpp: error at line 25, column 1: plain value cannot start with flow indicator character"
Segmentation fault (core dumped) ./test_cpu_exec
```

https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/c52966a6677723d5bd2dbef0ccec3fed9cbc3790/tests/cpu/Config_tests.cpp#L6492-L6502

If you want to continue using funky YAML in this test, then the continued lines of the array with more than just whitespace content must be indented. Example fix (without CLA signature): #2339

Comienza con tests/cpu/Config_tests.cpp alrededor de las líneas 6492-6502 y ejecuta la suite de pruebas test_cpu con yaml-cpp 0.9.0 para reproducir el fallo. Inspecciona el fixture YAML utilizado por la prueba; se considera terminado cuando test_cpu_exec finaliza sin el error de análisis de YAML ni segmentation fault.

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