SES lockdown compat libp2p-yamux AsyncGenerator.return assignment

[kumavis]

Cannot assign to read only property 'return' of object '[object AsyncGenerator]'

https://github.com/ChainSafe/js-libp2p-yamux/blob/36cd721cff4b5db073857d8229c7935b6ca76b71/src/decode.ts#L131

@chainsafe/libp2p-yamux: 7.0.4
ses: 1.14.0