examples: fix missing topology in examples #7163

Job	Run time
pytest-ubuntu-py311-gcc11-noomp-base	51m 55s
pytest-ubuntu-py311-gcc11-noomp-adjoint	39m 35s
pytest-ubuntu-py312-gcc12-omp-base	1h 8m 31s
pytest-ubuntu-py312-gcc12-omp-adjoint	50m 38s
pytest-ubuntu-py39-gcc7-omp-base	53m 19s
pytest-ubuntu-py39-gcc7-omp-adjoint	39m 57s
pytest-ubuntu-py310-gcc10-noomp-base	51m 46s
pytest-ubuntu-py310-gcc10-noomp-adjoint	39m 13s
pytest-ubuntu-py312-gcc13-omp-base	1h 7m 36s
pytest-ubuntu-py312-gcc13-omp-adjoint	51m 44s
pytest-ubuntu-py39-gcc9-omp-base	54m 59s
pytest-ubuntu-py39-gcc9-omp-adjoint	40m 45s
pytest-osx-py312-clang-omp-base	35m 52s
pytest-docker-py39-gcc-omp-base	46m 58s
pytest-docker-py39-gcc-omp-adjoint	36m 1s
pytest-docker-py39-icx-omp-base	37m 56s
pytest-docker-py39-icx-omp-adjoint	35m 53s
	13h 22m 38s

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