chore(deps): bump @opencode-ai/plugin from 1.17.7 to 1.17.9

Bumps @opencode-ai/plugin from 1.17.7 to 1.17.9.

---
updated-dependencies:
- dependency-name: "@opencode-ai/plugin"
  dependency-version: 1.17.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]