feat(aggregation): Add getters and setters to all remaining aggregators #491

Job	Run time
Code quality (ty and pre-commit hooks)	35s
Link correctness	6s
Build and test documentation	53s
Tests (py3.13, ubuntu-latest, float32, full)	1m 6s
Tests (py3.12, ubuntu-latest, float32, full)	1m 7s
Tests (py3.11, ubuntu-latest, float32, full)	1m 5s
Tests (py3.14, macOS-latest, float32, full)	1m 3s
Tests (py3.14, ubuntu-latest, float64, full)	58s
Tests (py3.10.0, ubuntu-latest, float32, full, lower_bounds)	1m 16s
Tests (py3.10, ubuntu-latest, float32, full)	1m 5s
Tests (py3.14, ubuntu-latest, float32, none)	1m 0s
Tests (py3.14, ubuntu-latest, float32, full)	59s
Tests (py3.14, windows-latest, float32, full)	1m 30s
	12m 43s

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