refactor: use sharded WAL #7792

Job	Run time
Linter	2m 21s
Format check	1m 9s
E2E tests (windows-latest)	5m 41s
Build	1m 16s
E2E tests (ubuntu-latest)	3m 17s
E2E tests (macos-latest)	2m 48s
Integration tests (windows-latest)	4m 6s
Integration tests (ubuntu-latest)	2m 11s
Unit tests (ubuntu-latest)	1m 47s
Unit tests (macos-latest)	2m 30s
Unit tests (windows-latest)	3m 3s
Integration tests (macos-latest)	2m 30s
	32m 39s

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