Bump @anthropic-ai/dxt from 0.2.0 to 0.2.1

Bumps @anthropic-ai/dxt from 0.2.0 to 0.2.1.

---
updated-dependencies:
- dependency-name: "@anthropic-ai/dxt"
  dependency-version: 0.2.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]