⬆️ Bump hvplot from 0.5.2 to 0.6.0 (#95)

Bumps [hvplot](https://github.com/holoviz/hvplot) from 0.5.2 to 0.6.0.
- [Release notes](https://github.com/holoviz/hvplot/releases)
- [Commits](holoviz/hvplot@v0.5.2...v0.6.0)

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