api: fix derivatives kw for tensors #8622

Job	Run time
pytest-ubuntu-py311-gcc10-noomp-adjoint	27m 41s
pytest-ubuntu-py311-gcc11-cxxnoomp-adjoint	30m 10s
pytest-ubuntu-py311-gcc10-noomp-base	38m 5s
pytest-ubuntu-py312-gcc13-omp-base	48m 43s
pytest-ubuntu-py312-gcc12-cxxomp-base	53m 27s
pytest-ubuntu-py312-gcc13-omp-adjoint	34m 19s
pytest-ubuntu-py311-gcc11-cxxnoomp-base	42m 32s
pytest-ubuntu-py312-gcc12-cxxomp-adjoint	36m 39s
pytest-osx-py312-clang-omp-base	26m 52s
pytest-docker-py310-icx-omp-adjoint	25m 38s
pytest-ubuntu-py310-gcc9-omp-base	41m 56s
pytest-ubuntu-py310-gcc9-omp-adjoint	30m 4s
pytest-docker-py310-gcc-omp-base	35m 22s
pytest-docker-py310-gcc-omp-adjoint	25m 41s
pytest-ubuntu-py310-gcc14-omp-adjoint	30m 16s
pytest-ubuntu-py310-gcc14-omp-base	41m 22s
pytest-docker-py310-icx-omp-base	29m 31s
pytest-ubuntu-py313-gcc14-omp-adjoint	35m 39s
pytest-ubuntu-py313-gcc14-omp-base	49m 6s
	11h 23m 3s

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