chore: bump hatchet-quickstarts to v0.2.1

[BloggerBust]

Description

Bumping to v0.2.1 adds the following fixes:

• fix: declare ts-node in TypeScript quickstart templates hatchet-quickstarts#13, which declares ts-node in the npm, pnpm, and yarn TypeScript templates and updates the TypeScript SDK to 1.26.1,
• chore: update quickstart READMEs to the hatchet CLI hatchet-quickstarts#14, which replaces the retired clone instructions in the template READMEs with hatchet quickstart.

Refs #4107.

Type of change

• Chore (changes which are not directly related to any business logic)

What's Changed

• Bump github.com/hatchet-dev/hatchet-quickstarts from v0.2.0 to v0.2.1 in go.mod and go.sum. No source changes.

Checklist

Changes have been:

• Tested (unit, integration, or manually with steps specified)

Testing

Ran CLI unit tests and e2e under -tags e2e_cli. Also ran go build and go vet over cmd/hatchet-cli.

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🤖 AI Disclosure

• I acknowledge that an LLM was used in the creation of this Pull Request, in accordance with Hatchet's AI_POLICY.md.

• Details: N/A

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