Improve dialog show spots and divisions

[stefanhahmann]

This PR adds the following features to the dialog that shows spot counts and division counts per timepoint:

• Color choosing
  • Spots
  • Divisions
• Show / Not show
  • Spot Counts
  • Spots Average
  • Divisions Counts
  • Divisions Average
• Set Sliding Window Size
  • Spots
  • Divisions

All settings can now be made directly in the dialog.
All settings are persisted as user preference.

The new dialog looks like this:

[Copilot]

Pull Request Overview

This PR enhances the dialog for visualizing spot and division counts over time by introducing new UI controls for color selection, visibility toggling, and adjusting the sliding average window size, with all preferences persisted to user settings.

• Refactored SpotAndDivisionCountChart to integrate new controls and persist settings.
• Removed the obsolete ShowSpotAndDivisionCountsOverTimeCommand and updated related plugin integrations.
• Updated GitHub Actions workflows to use the latest Java setup action.

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

File	Description
SpotAndDivisionCountChart.java	Added new UI controls and persistent settings for color, visibility, and sliding window sizes; refactored chart creation and update methods.
ShowSpotAndDivisionCountsOverTimeCommand.java	Deleted obsolete command class in favor of the new chart.show() integration.
TomancakPlugins.java	Updated integration to use SpotAndDivisionCountChart.show() and injected PrefService dependency.
build-pr.yml, build-main.yml	Upgraded Java setup to actions/setup-java@v4.

Comments suppressed due to low confidence (1)

src/main/java/org/mastodon/mamut/tomancak/divisioncount/SpotAndDivisionCountChart.java:312

• [nitpick] Consider updating the properties of the existing renderer instead of instantiating a new one each time in updateChartColors to preserve any internal state and improve performance.

XYLineAndShapeRenderer spotCountRenderer = createRenderer(spotCountColor, new Rectangle2D.Double( -2, -2, 4, 4 ) );