Add eslint-plugin-svelte to eslint-8

# Bug Template

eslint-plugin-svelte3 is becoming depricated and recomend upgrading to eslint-plugin-svelte which does not exist in the channel eslint-8. Can we add it?


## Relevant links

[OLD eslint-plugin-svelte3](https://github.com/sveltejs/eslint-plugin-svelte3)
[eslint-plugin-svelte](https://github.com/sveltejs/eslint-plugin-svelte)
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- [ ] 4-6 word issue title 
