Update dependency @open-rpc/client-js to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@open-rpc/client-js	^1.6.3 → ^2.0.0

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Release Notes

open-rpc/client-js (@​open-rpc/client-js)

v2.0.0

Compare Source

Features

• This change is breaking introduces ESM builds, ES2022 and bundling to (1096a86)

BREAKING CHANGES

• CommonJS and ES5 no longer supported

1.8.1 (2023-01-18)

Bug Fixes

• bump node version (0348af2)
• get tests to pass without callback fn for ws.send (7489794)
• websocket notifications now can be awaited (1ff6217)

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