chore(deps): update dependency carbon-icons-svelte to v12

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
carbon-icons-svelte	^11.4.0 -> ^12.0.0

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Release Notes

carbon-design-system/carbon-icons-svelte (carbon-icons-svelte)

### [`v12.0.0`](https://togithub.com/carbon-design-system/carbon-icons-svelte/blob/HEAD/CHANGELOG.md#1200---2023-07-08) [Compare Source](https://togithub.com/carbon-design-system/carbon-icons-svelte/compare/v11.4.0...v12.0.0) **Breaking Changes** - rename `UndefinedGlyph` to `DiamondFillGlyph` **Features** - upgrade `@carbon/icons` to v11.16.1 (net +98 icons)

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