[POC] experimental color-mix

[siriwatknp]

Refer to #43943 for detail explanation.

• I have followed (at least) the PR section of the contributing guide.

[mui-bot]

Netlify deploy preview

https://deploy-preview-43942--material-ui.netlify.app/

@material-ui/core: parsed: -0.63% 😍, gzip: -0.09% 😍
@material-ui/lab: parsed: -0.56% 😍, gzip: -0.01% 😍
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Table: parsed: +1.73% , gzip: +1.17%
and 105 more changes

Bundle size report

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Details of bundle changes

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