Additions for #327 - Enable `DesignCosts` in `WeightedCost` #1781

Job	Run time
style	13s
Coverage tests (macos-14 / Python 3.12)	5m 48s
Test examples (ubuntu-latest / Python 3.12)	21m 31s
Integration tests (ubuntu-latest / Python 3.12)	9m 37s
Unit tests (ubuntu-latest / Python 3.9)	1m 20s
Test examples (windows-latest / Python 3.12)	20m 6s
Integration tests (windows-latest / Python 3.12)	11m 5s
Unit tests (ubuntu-latest / Python 3.10)	1m 17s
Test examples (macos-13 / Python 3.12)	23m 17s
Integration tests (macos-13 / Python 3.12)	9m 41s
Unit tests (ubuntu-latest / Python 3.11)	1m 7s
Test examples (macos-14 / Python 3.12)	8m 56s
Integration tests (macos-14 / Python 3.12)	3m 21s
Unit tests (ubuntu-latest / Python 3.12)	1m 29s
Unit tests (windows-latest / Python 3.9)	4m 5s
Unit tests (windows-latest / Python 3.10)	2m 35s
Unit tests (windows-latest / Python 3.11)	3m 46s
Unit tests (windows-latest / Python 3.12)	2m 16s
Unit tests (macos-13 / Python 3.9)	2m 5s
Unit tests (macos-13 / Python 3.10)	3m 37s
Unit tests (macos-13 / Python 3.11)	1m 29s
Unit tests (macos-13 / Python 3.12)	3m 2s
Unit tests (macos-14 / Python 3.9)	1m 9s
Unit tests (macos-14 / Python 3.10)	54s
Unit tests (macos-14 / Python 3.11)	1m 0s
	2h 24m 46s

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