fix: declare module and fix conflict typing name

[huozhi]

x-ref: https://github.com/vercel/next.js/runs/7729014049?check_suite_focus=true

Add declare module and change type name from StyleRegistry to StyledJsxStyleRegistry

follow-up: will change the styled-jsx assets copy script in next.js

[github-actions[bot]]

:tada: This PR is included in version 5.0.3 :tada:

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• npm package (@latest dist-tag)
• GitHub release

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