feat(react-charts): add support for lines in GVBC

[krkshitij]

Clone of #35135

Playwright Test Report: https://github.com/microsoft/fluentui-charting-contrib/actions/runs/18486947994

[github-actions]

📊 Bundle size report

Package & Exports	Baseline (minified/GZIP)	PR	Change
react-charts DeclarativeChart	686.009 kB 196.897 kB	690.465 kB 198.19 kB	4.456 kB 1.293 kB
react-charts GroupedVerticalBarChart	372.153 kB 112.162 kB	376.709 kB 113.571 kB	4.556 kB 1.409 kB

Unchanged fixtures

Package & Exports	Size (minified/GZIP)
react-charts AreaChart	385.201 kB 117.431 kB
react-charts DonutChart	296.928 kB 88.686 kB
react-charts FunnelChart	288.084 kB 85.615 kB
react-charts GanttChart	368.624 kB 111.034 kB
react-charts GaugeChart	311.63 kB 92.299 kB
react-charts HeatMapChart	370.652 kB 112.597 kB
react-charts HorizontalBarChart	296.255 kB 87.223 kB
react-charts HorizontalBarChartWithAxis	63 B 83 B
react-charts Legends	235.243 kB 69.602 kB
react-charts LineChart	396.395 kB 119.501 kB
react-charts SankeyChart	198.989 kB 61.126 kB
react-charts ScatterChart	376.226 kB 113.519 kB
react-charts Sparkline	91.123 kB 28.692 kB
react-charts VerticalBarChart	411.223 kB 119.119 kB
react-charts VerticalStackedBarChart	383.039 kB 114.949 kB

_{🤖 This report was generated against e86e8451823a023326b86f430f3ae78e2010e702}

[github-actions]

Pull request demo site: URL