Fix `points2binaryimage` tool #291

Job	Run time
Setup cache and determine changed repositories (3.11)	1m 5s
Check file sizes	5s
Lint tool-list (3.11)	37s
Lint R scripts (ubuntu-20.04, release)	1m 4s
Lint Python scripts (3.11)	9s
Test tools (0, 3.11)	7m 40s
Combine chunked test results (3.11)	48s
Check workflow success	1s
Deploy	0s
Report deploy status	0s
	11m 29s

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