chore: use @asyncapi/multi-parser instead of @smoya/multi-parser

[smoya]

Description

@smoya/multi-parser has been deprecated. Now its source code is included and released as part of https://github.com/asyncapi/parser-js monorepo.

Checklist

• The code follows the project's coding standards and is properly linted (npm run lint).
• Tests have been added or updated to cover the changes.
• Documentation has been updated to reflect the changes.
• All tests pass successfully locally.(npm run test).

[netlify]

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