dependencies(deps): bump canvas from 2.11.2 to 3.0.1 in /export-server

Bumps [canvas](https://github.com/Automattic/node-canvas) from 2.11.2 to 3.0.1.
- [Release notes](https://github.com/Automattic/node-canvas/releases)
- [Changelog](https://github.com/Automattic/node-canvas/blob/master/CHANGELOG.md)
- [Commits](Automattic/node-canvas@v2.11.2...v3.0.1)

---
updated-dependencies:
- dependency-name: canvas
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]