Update `ip_points_association_nn`, `ip_curve_fitting`, `ip_spot_detection_2d`: Employ `required_files`, changes output formats `tsv` to `tabular` #784

Job	Run time
Setup cache and determine changed repositories (3.11)	1m 48s
Check labels	3s
Test tools (1, 3.11)	3m 30s
Lint Python scripts (3.11)	15s
Lint R scripts (ubuntu-24.04, release)	1m 17s
Lint GIA	19s
Check file sizes	8s
Lint tool-list (3.11)	37s
Test tools (0, 3.11)	3m 31s
Combine chunked test results (3.11)	43s
Check workflow success	2s
Deploy	-1s
Report deploy status	0s
	12m 12s

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