chore(astro): Optimize stream modification

[wobsoriano]

Description

This PR tackles ECO-19 and ECO-18 and optimizes stream modification by working directly with the Uint8Array instead of decoding and re-encoding a chunk to check for string (</head>) availability. Introduces TransformStream.

A benchmark between the current implementation and the proposed is available in this gist.

Checklist

• [ ] npm test runs as expected.
• [X] npm run build runs as expected.
• [ ] (If applicable) JSDoc comments have been added or updated for any package exports
• [ ] (If applicable) Documentation has been updated

Type of change

• [ ] 🐛 Bug fix
• [ ] 🌟 New feature
• [ ] 🔨 Breaking change
• [X] 📖 Refactoring / dependency upgrade / documentation
• [ ] other:

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 0f5505d1468ef69430e0fbf60602d54dd38d34e3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ------------ | ----- | | @clerk/astro | Patch |

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