Bump @graphprotocol/graph-cli from 0.26.0 to 0.29.0 (#384)

Bumps @graphprotocol/graph-cli from 0.26.0 to 0.29.0.

---
updated-dependencies:
- dependency-name: "@graphprotocol/graph-cli"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]