Add `types` field to all package's `package.json`

[askoufis]

Fixes #983.

It seems like a top-level types field is already present in all packages (how does this get here? changesets? does npm infer it?), but sub-path exports do not have one.

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 4efb34ae427929db1373983f647654dfb6b3e03f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 33 packages

Name	Type
@vanilla-extract/babel-plugin-debug-ids	Patch
@vanilla-extract/esbuild-plugin-next	Patch
@vanilla-extract/parcel-transformer	Patch
@vanilla-extract/esbuild-plugin	Patch
@vanilla-extract/jest-transform	Patch
@vanilla-extract/webpack-plugin	Patch
@vanilla-extract/rollup-plugin	Patch
@vanilla-extract/integration	Patch
@vanilla-extract/next-plugin	Patch
@vanilla-extract/vite-plugin	Patch
@vanilla-extract/sprinkles	Patch
@vanilla-extract/dynamic	Patch
@vanilla-extract/private	Patch
@vanilla-extract/recipes	Patch
@vanilla-extract/css-utils	Patch
@vanilla-extract/css	Patch
@vanilla-extract-private/test-helpers	Patch
@fixtures/next-app-router	Patch
@fixtures/next-pages-router	Patch
@vanilla-extract-private/tests	Patch
vanilla-extract-example-remix	Patch
@fixtures/sprinkles	Patch
@fixtures/features	Patch
@fixtures/themed	Patch
@fixtures/recipes	Patch
@fixtures/layers	Patch
@fixtures/low-level	Patch
@fixtures/template-string-paths	Patch
@fixtures/thirdparty	Patch
@fixtures/unused-modules	Patch
@fixtures/thirdparty-dep	Patch
@fixtures/thirdparty-dep-dep	Patch
vanilla-extract-example-webpack-react	Patch

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[EvanLovely]

This is approved; any chance it can get merged @mattcompiles ?