Uncertainty jni

[mcm001]

Description

Plumbs in our new C++ uncertainty estimation algorithm described in https://mrcal.secretsauce.net/uncertainty.html to our frontend. This can be re-calculated from existing calibration data on demand. Running this on my desktop takes ~1 second, curious to see benchmarks on other platforms.

Goes with PhotonVision/mrcal-java#20

Meta

Merge checklist:

• Pull Request title is short, imperative summary of proposed changes
• The description documents the what and why, including events that led to this PR
• If this PR changes behavior or adds a feature, user documentation is updated
• If this PR touches photon-serde, all messages have been regenerated and hashes have not changed unexpectedly
• If this PR touches configuration, this is backwards compatible with all settings going back to the previous seasons's last release (seasons end after champs ends)
• If this PR touches pipeline settings or anything related to data exchange, the frontend typing is updated
• If this PR addresses a bug, a regression test for it is added