Use `IncreasedCloseTimeoutNanny` for `test_explicit_comms` #330

Job	Run time
checks / check-style	1m 35s
checks / other-checks	57s
wheel-build	59s
conda-python-build / compute-matrix	3s
conda-python-build / build (11.8.0, ubuntu22.04, amd64, 3.9)	4m 17s
conda-python-build / build (11.8.0, ubuntu22.04, arm64, 3.9)	3m 22s
conda-python-build / build (11.8.0, ubuntu22.04, amd64, 3.10)	4m 9s
conda-python-build / build (11.8.0, ubuntu22.04, arm64, 3.10)	3m 18s
conda-python-build / build (12.0.1, ubuntu22.04, amd64, 3.9)	4m 16s
conda-python-build / build (12.0.1, ubuntu22.04, arm64, 3.9)	3m 26s
conda-python-build / build (12.0.1, ubuntu22.04, amd64, 3.10)	4m 11s
conda-python-build / build (12.0.1, ubuntu22.04, arm64, 3.10)	3m 25s
docs-build / build	3m 1s
conda-python-tests / compute-matrix	7s
conda-python-tests / tests (11.2.2, centos7, amd64, 3.9, v100, earliest)	27m 16s
conda-python-tests / tests (11.4.3, ubuntu20.04, amd64, 3.9, v100, latest)	27m 21s
conda-python-tests / tests (11.8.0, ubuntu22.04, amd64, 3.10, v100, latest)	26m 51s
conda-python-tests / tests (12.0.1, ubuntu22.04, amd64, 3.10, v100, latest)	30m 10s
conda-python-tests / tests (12.0.1, ubuntu22.04, arm64, 3.10, a100, latest)	22m 21s
pr-builder / run	1s
	2h 51m 6s

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