Bump jts to 1.16.0, with corresponding support for XYZM coordinates

[willcohen]

No description provided.

[worace]

@willcohen looks good; happy to add this. I've never run into an XYZM coordinate before. I have read that they are used for additional relative measurements within a coordinate system or something along those lines. Curious if you have an example use-case of how this would be used, mostly just for my edification.

[willcohen]

It's definitely a bit of a stage-setting move right now (proj4j doesn't support it yet, for example), but projection systems are making moves to integrate the M measure, with things like projection transformations that depend on time. Having the coordinates be able to flow through geo as XYZM means that it'll be easier for this library to integrate/test those changes as they develop.