Use wasm compiled sqlite when building without cgo

[maruel]

What about leveraging https://github.com/ncruces/go-sqlite3/ when ``//go:build !cgo` ?

https://github.com/cvilsmeier/go-sqlite-bench shows that while it's significantly slower than github.com/mattn/go-sqlite3, it's still bearable (yellow vs brown) and would simplify life for some use case, like building and testing on non-linux.

Coupled with issue #767, this would make the package reusable and easy to go install.

[arp242]

I would prefer to have a single code path, instead of two. Requiring a C compiler is a bit of a pain, I agree, but not enough of a pain to start shipping a separate version of SQLite.

Even on macOS or Windows it's not that big of a deal. (aside: the reason the last release doesn't have binaries for them is simply because my laptop ran out of disk space for the required VMs 😅 That problem has since been resolved by a new laptop).