refactor: use sharded WAL #7527

Job	Run time
Format check	52s
Build	1m 38s
Linter	3m 45s
E2E tests (windows-latest)	16m 26s
E2E tests (ubuntu-latest)	6m 58s
Unit tests (windows-latest)	2m 34s
E2E tests (macos-latest)	9m 2s
Unit tests (macos-latest)	1m 35s
Integration tests (windows-latest)	3m 14s
Unit tests (ubuntu-latest)	1m 23s
Integration tests (macos-latest)	1m 55s
Integration tests (ubuntu-latest)	1m 44s
	51m 6s

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