Bump jfreechart from 1.5.3 to 1.5.4

[dependabot[bot]]

Bumps jfreechart from 1.5.3 to 1.5.4.

Release notes

Sourced from jfreechart's releases.

JFreeChart 1.5.4

Version 1.5.4 (8 January 2023)

• add new methods to access maps for datasets, renderers and axes in plots (#201);
• add option to truncate item labels and compute contrast colors (PR #225)
• add new annotations (PR #226)
• add new panel for background rendering of charts (PR #233)
• fix tick label font for LogAxis with number format override (#98);
• added valueVisible flag to MeterPlot (#231);
• added get/setWebFillAlpha() methods to SpiderWebPlot (#279)
• add argument checks for annotations (#223);
• removed JFreeChartResources.java file (#239)

Commits

• f036702 Prepare release
• b8d904f Prepare release
• 995fc69 Call to getHour() in compare is wasteful.
• b3e20e2 Remove redundant clear() call.
• e714aa2 Update source headers
• 8352e30 Update Maven plugin versions
• 027def4 Update JUnit version
• 6bfbc59 Update EqualsVerifier depenendency (fixes failure with Java 19)
• f3974d7 fix: Minute.equals() not correctly taking the day into account #318
• f7e307e Add web fill alpha to SpiderWebPlot.
• Additional commits viewable in compare view

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