Fix dispatch dict passed to `MergeStrategy` not getting updated for f… #559

Job	Run time
Build distribution packages	18s
Test with nox (amd64, ubuntu-24.04, 3.12, ci_checks_max)	1m 39s
Test with nox (amd64, ubuntu-24.04, 3.11, ci_checks_max)	1m 31s
Test with nox (arm, ubuntu-24.04, 3.11, ci_checks_max)	1m 45s
Test with nox (arm, ubuntu-24.04, 3.11, pytest_min)	1m 25s
Test with nox (amd64, ubuntu-24.04, 3.11, pytest_min)	1m 10s
Test with nox (arm, ubuntu-24.04, 3.12, ci_checks_max)	1m 47s
Test with nox (amd64, ubuntu-24.04, 3.12, pytest_min)	1m 13s
Test with nox (arm, ubuntu-24.04, 3.12, pytest_min)	1m 16s
Test documentation website generation	0s
Test package installation (amd64, ubuntu-24.04, 3.12)	21s
Test package installation (arm, ubuntu-24.04, 3.12)	33s
Test package installation (amd64, ubuntu-24.04, 3.11)	21s
Test package installation (arm, ubuntu-24.04, 3.11)	38s
Test package installation	2s
Test with nox	3s
Publish documentation website to GitHub pages	36s
Create GitHub release	7s
Publish packages to PyPI	19s
	15m 4s

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