Add `morphological_operations` tool #266

Job	Run time
Setup cache and determine changed repositories (3.11)	1m 0s
Lint Python scripts (3.11)	15s
Lint R scripts (ubuntu-20.04, release)	2m 32s
Lint tool-list (3.11)	38s
Check file sizes	6s
Test tools (0, 3.11)	8m 30s
Combine chunked test results (3.11)	39s
Check workflow success	1s
Deploy	0s
Report deploy status	0s
	13m 41s

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