compiler: Cache `Dependence` instances #8092

Job	Run time
pytest-ubuntu-py312-gcc12-cxxomp-adjoint	1m 14s
pytest-ubuntu-py39-gcc14-omp-adjoint	1m 4s
pytest-ubuntu-py312-gcc12-cxxomp-base	1m 12s
pytest-ubuntu-py311-gcc11-cxxnoomp-base	1m 11s
pytest-ubuntu-py310-gcc10-noomp-adjoint	1m 8s
pytest-ubuntu-py39-gcc14-omp-base	59s
pytest-ubuntu-py312-gcc13-omp-adjoint	1m 16s
pytest-ubuntu-py39-gcc9-omp-base	1m 0s
pytest-docker-py39-gcc-omp-base	3m 0s
pytest-docker-py39-icx-omp-base	4m 1s
pytest-osx-py312-clang-omp-base	1m 39s
pytest-ubuntu-py39-gcc9-omp-adjoint	1m 1s
pytest-ubuntu-py312-gcc13-omp-base	1m 12s
pytest-ubuntu-py310-gcc10-noomp-base	1m 18s
pytest-docker-py39-gcc-omp-adjoint	2m 47s
pytest-docker-py39-icx-omp-adjoint	3m 37s
pytest-ubuntu-py311-gcc11-cxxnoomp-adjoint	1m 8s
	28m 47s

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