CI: prevent dependabot from updating lower bound of deps #424

Job	Run time
pytest-docker-py310-gcc-omp-arm64-adjoint	25m 29s
pytest-docker-py310-gcc-omp-base	38m 53s
pytest-docker-py310-gcc-omp-arm64-base	32m 4s
pytest-docker-py310-gcc-omp-adjoint	29m 37s
pytest-docker-py310-icx-omp-adjoint	30m 51s
pytest-docker-py310-icx-omp-base	34m 31s
pytest-ubuntu-py310-gcc14-omp-base	45m 22s
pytest-ubuntu-py312-gcc12-cxxomp-base	58m 57s
pytest-ubuntu-py312-gcc12-cxxomp-adjoint	39m 1s
pytest-osx-py312-clang-omp-base	39m 14s
pytest-ubuntu-py311-gcc10-noomp-base	41m 42s
pytest-ubuntu-py311-gcc10-noomp-adjoint	32m 27s
pytest-ubuntu-py310-gcc9-omp-adjoint	33m 56s
pytest-ubuntu-py310-gcc14-omp-adjoint	34m 40s
pytest-ubuntu-py310-gcc9-omp-base	42m 30s
pytest-ubuntu-py312-gcc13-omp-adjoint	38m 49s
pytest-ubuntu-py313-gcc14-omp-base	51m 34s
pytest-ubuntu-py311-gcc11-cxxnoomp-adjoint	33m 3s
pytest-ubuntu-py311-gcc11-cxxnoomp-base	44m 45s
pytest-ubuntu-py313-gcc14-omp-adjoint	39m 48s
pytest-ubuntu-py312-gcc13-omp-base	54m 44s
	13h 41m 57s

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