* fix(netlify): Try to make polyfill external
* feat(webapi): Add polyfill applier for SSR
* fix(netlify): Externalize polyfills so they're always applied before user code
* chore: changeset
* test(netlify): Add test for polyfill being in the proper place
* config(netlify): Remove unnecessary change to package.json
* revert(netlify): Revert changes
* feat(astro): Add a way for packages to explicitely mark themselves as needing to be external
* Update .changeset/silent-dragons-sell.md
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Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>