applies the new conventions for imaging tools agreed at BioHackEU23 #296

Job	Run time
Setup cache and determine changed repositories (3.7)	55s
Lint tool-list (3.7)	33s
Lint R scripts (ubuntu-20.04, release)	1m 0s
Check file sizes	7s
Lint Python scripts (3.7)	13s
Test tools (0, 3.7)	10m 19s
Test tools (1, 3.7)	2m 44s
Test tools (2, 3.7)	5m 57s
Test tools (3, 3.7)	3m 33s
Combine chunked test results (3.7)	40s
Check workflow success	1s
Deploy	0s
Report deploy status	0s
	26m 2s

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