Add Voicing and InteractiveHighlighting to AccordionBox

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From phetsims/ratio-and-proportion#381, design in https://docs.google.com/document/d/1offJbONUg8y5Aa9kHewC9iTDtNISzna4giGt7WrpXCk/edit#heading=h.nvlwmm9fjx2v

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InteractiveHighlighting added for the title bars directly below. I'm a bit curious about this implementation. A few thoughts:

• It looks like the only way to hide an interactiveHighlight on a Node is to set interactiveHighlight:null and also focusHighlight: 'invisible'. Seems weird to me!
• I think we could have the interactive highlight around the whole expanded box if we want to, but I'll want to ask a designer.

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• There is currently no way to listen to the interaction regarding expand/collapse, only the Property (which presumably means ignoring on reset/iO state etc).

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The voicing side of things went very smoothly here. I'm pretty much just passing everything through to the button and it just works! I love it when that happens, and it is a testament to how nice when the voicing/description/alt-input designs can all align. I will want to discuss some of the above topics with @jessegreenberg on Friday, and after I will reach out to @terracoda for a review, but first I want her to look at the sim-specific implementation.

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There is currently no way to listen to the interaction regarding expand/collapse, only the Property (which presumably means ignoring on reset/iO state etc).

That said, there is code in the ResetAllButton to disable voicing while resetting, thus I open the accordionBox and press reset and don't hear anything but "Reset All, Everything reset."

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In https://docs.google.com/document/d/1offJbONUg8y5Aa9kHewC9iTDtNISzna4giGt7WrpXCk/edit?disco=AAAAVatjjs0&usp=comment_email_discussion&usp_dm=true&ts=62222b0b @terracoda mentioned that we don't need to have the object response upon focus, so we can use the default focus listener.

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Thinks are going well in Ratio and Proportion. Ready to close.