Add support for publication size weighting. General refactoring of IBMA estimators #1123

Job	Run time
Determine if CI should be skipped	5s
Estimator performance tests (ubuntu-latest, 3.8)	7m 18s
Unit tests (ubuntu-latest, 3.8)	24m 51s
Unit tests with minimum dependency versions (ubuntu-latest, 3.8)	25m 43s
Unit tests (ubuntu-latest, 3.9)	25m 8s
CBMR ImportError tests (ubuntu-latest, 3.8)	1m 6s
Corrector performance tests (ubuntu-latest, 3.8)	32m 20s
Unit tests (ubuntu-latest, 3.10)	26m 22s
Unit tests (ubuntu-latest, 3.11)	25m 8s
Smoke performance tests (ubuntu-latest, 3.8)	21m 14s
Unit tests (macos-latest, 3.8)	23m 42s
Unit tests (macos-latest, 3.9)	15m 20s
Unit tests (macos-latest, 3.10)	14m 54s
Unit tests (macos-latest, 3.11)	19m 42s
Upload coverage	0s
	4h 22m 53s

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