Bump canvg from 1.5.3 to 3.0.2
Bump canvg from 1.5.3 to 3.0.2

Bumps [canvg](https://github.com/canvg/canvg) from 1.5.3 to 3.0.2.
- [Release notes](https://github.com/canvg/canvg/releases)
- [Changelog](https://github.com/canvg/canvg/blob/master/CHANGELOG.md)
- [Commits](https://github.com/canvg/canvg/commits)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
SuperMap/iClient9,SuperMap/iClient9