Add integrity property to SRI-enabled DOM elements

[ghost]

Related to #8955. This adds properties integrity: string to HTMLScriptElement and HTMLLinkElement.

[msftclas]

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[Arnavion]

This file is a build output. Your change needs to go in https://github.com/Microsoft/TSJS-lib-generator

[mhegazy]

Thanks for your PR. these files are not manually edited, they are auto-generatd from a script in . You can find more information about contributing lib.d.ts fixes at https://github.com/Microsoft/TSJS-lib-generator.

Changes should be done in https://github.com/Microsoft/TSJS-lib-generator instead.

Please find more information at: https://github.com/Microsoft/TypeScript/blob/master/CONTRIBUTING.md#contributing-libdts-fixes.