refactor: use sharded WAL #7795

Job	Run time
Linter	2m 17s
Format check	1m 3s
Unit tests (macos-latest)	1m 42s
Integration tests (ubuntu-latest)	2m 9s
E2E tests (windows-latest)	5m 30s
Integration tests (windows-latest)	3m 53s
Unit tests (windows-latest)	3m 4s
Build	1m 16s
Unit tests (ubuntu-latest)	1m 47s
E2E tests (macos-latest)	2m 30s
Integration tests (macos-latest)	1m 49s
E2E tests (ubuntu-latest)	3m 1s
	30m 1s

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