Bump fbp-graph from 0.6.3 to 0.7.0
Bump fbp-graph from 0.6.3 to 0.7.0

Bumps [fbp-graph](https://github.com/flowbased/fbp-graph) from 0.6.3 to 0.7.0.
- [Release notes](https://github.com/flowbased/fbp-graph/releases)
- [Commits](https://github.com/flowbased/fbp-graph/compare/0.6.3...0.7.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
noflo/noflo-ui,noflo/noflo-ui