fix: remove WithDumpMigrations option to MigrationBox #2749

Job	Run time
Run OIDC conformity tests	1s
Run HSM tests	1s
Run end-to-end tests (memory)	5m 0s
Run end-to-end tests (cockroach, --jwt)	1s
Run end-to-end tests (mysql)	5m 0s
Run end-to-end tests (postgres)	3s
Run end-to-end tests (cockroach)	1s
Run end-to-end tests (memory, --jwt)	1s
Run end-to-end tests (mysql, --jwt)	3s
Run end-to-end tests (postgres, --jwt)	2s
Run tests and lints	1s
Build CLI docs	1s
Generate release	1s
Draft newsletter	1s
Send newsletter	1s
Pending approval Slack notification	1s
	10m 19s

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