Bump d3-color and d3-tip

Bumps [d3-color](https://github.com/d3/d3-color) to 3.1.0 and updates ancestor dependency [d3-tip](https://github.com/Caged/d3-tip). These dependencies need to be updated together.


Updates `d3-color` from 1.0.3 to 3.1.0
- [Release notes](https://github.com/d3/d3-color/releases)
- [Commits](d3/d3-color@v1.0.3...v3.1.0)

Updates `d3-tip` from 0.7.1 to 0.9.1
- [Release notes](https://github.com/Caged/d3-tip/releases)
- [Commits](caged/d3-tip@v0.7.1...v0.9.1)

---
updated-dependencies:
- dependency-name: d3-color
  dependency-type: indirect
- dependency-name: d3-tip
  dependency-type: direct:production
...

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