feat(docs): upgrade-bn #9663

Job	Run time
Build CJS (18)	1m 21s
Build CJS (20.17.0)	1m 17s
Build Types	50s
Build ESM	50s
Benchmark Tests	1m 24s
Build Web	23s
Docs CloudFlare Deploy	6m 20s
End-to-End hardhat:ws (electron)	8m 51s
Integration (ipc)	20m 49s
Integration hardhat	3m 3s
End-to-End hardhat:ws (chrome)	8m 30s
Integration (ws)	11m 30s
End-to-End hardhat:ws (firefox)	9m 51s
Lint	46s
Integration (http)	3m 39s
Unit Tests (18)	3m 45s
Unit Tests (20.17.0)	3m 40s
	1h 26m 49s

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