Merge pull request #305 from scipp/graphviz-lower-bound #853

Job	Run time
Formatting and static analysis	17s
Tests (ubuntu-24.04, 3.11, py311) / package-test	24s
Tests (ubuntu-24.04, 3.11, py311) / test	1m 44s
docs / Build documentation	4m 49s
	7m 14s

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