Changed RenderInnerValueContent type to include active index

[michaelnesen]

What does this implement/fix?

This PR changes renderInnerValueContent prop in the DonutChart to pass down the active index

We want to have access to the active index inside the renderInnerValueContent override prop. Context on why we want this change here

Does this close any currently open issues?

What do the changes look like?

Storybook link

http://localhost:6006/?path=/story/polaris-viz-charts-donutchart--custom-inner-value-content

Before merging

• Check your changes on a variety of browsers and devices.

• Update the Changelog's Unreleased section with your changes.

• Update relevant documentation, tests, and Storybook.

• Make sure you're exporting any new shared Components, Types and Utilities from the top level index file of the package

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
polaris-viz-core-cjs	61.3 KB (0%)	1.3 s (0%)	1.3 s (-33.77% 🔽)	2.5 s
polaris-viz-cjs	211.02 KB (+0.01% 🔺)	4.3 s (+0.01% 🔺)	3.4 s (-7.49% 🔽)	7.6 s
polaris-viz-esm	173.41 KB (+0.01% 🔺)	3.5 s (+0.01% 🔺)	2.3 s (-26.88% 🔽)	5.7 s
polaris-viz-css	4.57 KB (0%)	92 ms (0%)	527 ms (-20.93% 🔽)	618 ms
polaris-viz-esnext	178.52 KB (+0.01% 🔺)	3.6 s (+0.01% 🔺)	2.5 s (-4.28% 🔽)	6.1 s

[maryamkaka]

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