Add Dependabot auto-merge workflow and migration script (#466) #1045

Job	Run time
Build distribution packages	17s
Test with nox (amd64, ubuntu-24.04, 3.11, pytest_min)	5m 53s
Test with nox (amd64, ubuntu-24.04, 3.11, ci_checks_max)	6m 21s
Test with nox (arm, ubuntu-24.04, 3.12, ci_checks_max)	7m 45s
Test with nox (amd64, ubuntu-24.04, 3.12, ci_checks_max)	6m 23s
Test with nox (arm, ubuntu-24.04, 3.12, pytest_min)	7m 20s
Test with nox (amd64, ubuntu-24.04, 3.12, pytest_min)	6m 1s
Test with nox (arm, ubuntu-24.04, 3.11, ci_checks_max)	7m 22s
Test with nox (arm, ubuntu-24.04, 3.11, pytest_min)	6m 57s
Test documentation website generation	-1s
Test package installation (amd64, ubuntu-24.04, 3.11)	18s
Test package installation (amd64, ubuntu-24.04, 3.12)	13s
Test package installation (arm, ubuntu-24.04, 3.11)	21s
Test package installation (arm, ubuntu-24.04, 3.12)	27s
Test package installation	4s
Test with nox	3s
Publish documentation website to GitHub pages	29s
Create GitHub release	0s
Publish packages to PyPI	0s
	56m 13s

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