fix(deps): update dependency @stablelib/ed25519 to v2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@stablelib/ed25519 (source)	^1.0.2 -> ^2.0.0

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Release Notes

StableLib/stablelib (@​stablelib/ed25519)

### [`v2.0.0`](https://togithub.com/StableLib/stablelib/releases/tag/v2.0.0): v2.0 [Compare Source](https://togithub.com/StableLib/stablelib/compare/@stablelib/ed25519@​1.0.3...@stablelib/ed25519@​2.0.0) - ES modules - Removed shims for older browser and Node versions, targeting ES2022.

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