Explore Sphinx inventory labels

### About
All labels and other target references of the inventories of all Sphinx-based projects at Crate.io, excluding the `std:doc` items. It helps you to discover relevant link targets when using intersphinx references.

[sphinx-inventories.txt]: https://github.com/crate/crate-docs/blob/main/registry/sphinx-inventories.txt

### Content

_[cratedb-sphinx-inventory-nodocs.md] was generated on Fri Mar 1, 2024, using [sphinx-inventories.txt]._

[cratedb-sphinx-inventory-nodocs.md]: https://github.com/crate/crate-docs/files/14461050/cratedb-sphinx-inventory-nodocs.md

### Self-Service
> [!TIP]
> You can also generate an up-to-date version of this output on your own behalf. For that, you need to set up a sandbox using the code in this repository, as outlined within the README. Then, the synopsis is:
>
> ```
> invoke allinv --format markdown > cratedb-sphinx-inventory-nodocs.md
> ```