chore(tsup): set platform to node

[minhchau1112]

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Summary

Updated the tsup.config.ts file to change the platform option from "browser" to "node" during the build process.

This change ensures that the tsup build targets the Node.js runtime environment, avoiding unnecessary polyfills for browser-specific globals like process or global, and allows use of native Node.js modules without bundling errors. This is useful for server-side packages or CLI tools being developed under this repository.

Affect components

Please indicate which part of the Mesh Repo

• @meshsdk/common
• @meshsdk/contract
• @meshsdk/core
• @meshsdk/core-csl
• @meshsdk/core-cst
• @meshsdk/hydra
• @meshsdk/provider
• @meshsdk/react
• @meshsdk/svelte
• @meshsdk/transaction
• @meshsdk/wallet
• Mesh playground (i.e. https://meshjs.dev/)
• Mesh CLI

Type of Change

Please mark the relevant option(s) for your pull request:

• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Bug fix (non-breaking change which fixes an issue)
• Code refactoring (improving code quality without changing its behavior)
• Documentation update (adding or updating documentation related to the project)

Related Issues

Please add the related issue here if any

Checklist

Please ensure that your pull request meets the following criteria:

• My code is appropriately commented and includes relevant documentation, if necessary
• I have added tests to cover my changes, if necessary
• I have updated the documentation, if necessary
• All new and existing tests pass (i.e. npm run test)
• The build is pass (i.e. npm run build)

Additional Information

No additional changes outside of the tsup config file. This adjustment aligns the build process with Node.js expectations, especially for backend modules or scripts that do not run in the browser.

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