Update dependency io.github.koalaplot:koalaplot-core to v0.6.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.github.koalaplot:koalaplot-core	0.6.2 -> 0.6.3

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Release Notes

KoalaPlot/koalaplot-core (io.github.koalaplot:koalaplot-core)

### [`v0.6.3`](https://togithub.com/KoalaPlot/koalaplot-core/blob/HEAD/CHANGELOG.md#063) ##### Fixed - XYGraph didn't fill all available width when x-axis label intrinsic widths are greater than tick spacing

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