recharts 3.4.0 on Node.js NPM

What's Changed

Added z-index support across most recharts surfaces + a few other features, lots of fixes, and some doc updates 🚀

Z Index! - You can now add a z index to many chart components to order the position of recharts elements as you wish, mimicking CSS z-index. Big shout out to @PavelVanecek in #6479
- See the guide page - (coming soon)
Line: add shape property to allow for custom shape implementations by @tarik02 in #6512
Sankey: support for left-aligned Sankey nodes via the align prop by @dbnl-renaud in #6568
Sankey: support for top-aligned Sankey nodes via the verticalAlign prop by @dbnl-kat #6576
Label: allow overwriting the textAnchor prop by @PavelVanecek in #6547

Stacked Bar / Brush: fix bug in stacked bar charts with a brush where the brush would remove elements from the wrong side of the chart by @37108 in #6481
Area: fix regression in Area event handlers where the events were not firing correctly by @PavelVanecek in #6507
Funnel: fix Funnel margin calculations by @PavelVanecek in #6453
Funnel: fix label position issues from previous release by @PavelVanecek in #6473
Label/Text: correct Label and Text types to only what they can actually render by @PavelVanecek in #6467
Misc: inline a few es-toolkit functions that were causing build errors by @daiboom in #6543
Misc: remove circular dependency import that had potential to cause runtime errors by @ckifer in #6581

Finished adding strict null checks and enabled strictNulls in TSConfig for good 🚀
- by @PavelVanecek in #6497

Lots of changes in recharts.github.io

Switch code editor to codemirror by @PavelVanecek in #6531
Added/removed missing/stale properties where applicable from storybook and website
Few layout/visual changes and fixes on the website
Much more

Full Changelog: v3.3.0...v3.4.0