feat: publish new types

[boschni]

This MR includes the following changes:

• Remove custom types.
• Build generated types on release.
• Remove type-only imports and exports from the declaration files to support TypeScript versions below 3.8.
• Remove the type connection between the query key and the query function parameters because this does not match with the API. Parameters can be filtered with queryFnParamsFilter or added with for example the fetchMoreVariable variable. This also simplifies the typings for less experienced TS users.

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[tannerlinsley]

Just needs a rebase ;)

[tannerlinsley]

🎉 This PR is included in version 2.8.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

[robbtraister]

This appears to be a breaking change wrt typescript. In attempting to upgrade, I've noticed at least the following issues (with the latter being the more problematic of the two).

• QueryOptions has been renamed QueryConfig
• queryResult.isSuccess no longer implies that queryResult.data is defined

Should I open a new issue?