chore: cut v16.0.0-rc1

[rjan90]

chore: cut v16.0.0-rc1

[github-actions]

Suggested version: 16.0.0-rc1

Comparing to: v16.0.0-dev (diff)

Changes in configuration file(s):

(empty)

Cutting a Release (and modifying non-markdown files)

This PR is modifying both Cargo.toml and non-markdown files.
The Release Checker is not able to analyse files that are not checked in to master. This might cause the above analysis to be inaccurate.
Please consider performing all the code changes in a separate PR before cutting the release.

Automatically created GitHub Release

A draft GitHub Release has been created.
It is going to be published when this PR is merged.
You can modify its' body to include any release notes you wish to include with the release.