Compute correlation matrix in signal voxels (#889) #1150

Job	Run time
Determine if CI should be skipped	5s
Estimator performance tests (ubuntu-latest, 3.8)	7m 13s
Unit tests (ubuntu-latest, 3.8)	41m 36s
Unit tests with minimum dependency versions (ubuntu-latest, 3.8)	42m 58s
Unit tests (ubuntu-latest, 3.9)	43m 43s
CBMR ImportError tests (ubuntu-latest, 3.8)	57s
Unit tests (ubuntu-latest, 3.10)	39m 31s
Corrector performance tests (ubuntu-latest, 3.8)	34m 50s
Unit tests (ubuntu-latest, 3.11)	40m 40s
Smoke performance tests (ubuntu-latest, 3.8)	20m 58s
Unit tests (ubuntu-latest, 3.12)	42m 32s
Unit tests (macos-latest, 3.8)	37m 52s
Unit tests (macos-latest, 3.9)	22m 24s
Unit tests (macos-latest, 3.10)	22m 56s
Unit tests (macos-latest, 3.11)	28m 43s
Unit tests (macos-latest, 3.12)	22m 39s
Upload coverage	11s
	7h 29m 48s

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