Log Message:
hex: update to 2.1.1.

NOTE: this package seems to download files during the build
If you know elixir/mix please fix this!

## v2.1.1 (2024-05-22)

### Bug fixes

* Fix overriding Hex packages from non Hex dependencies

## v2.1.0 (2024-05-21)

### Enhancements

* Improve solver error message when collecting conflicting requirements from \ 
multiple places. Fixes the "empty" versions error. This is done by \ 
including path and git parents of hex packages in the solver.
* Add "(CI)" to `user-agent` HTTP header if environment variable `CI` \ 
is set
* Improve message for authentication errors
* Set exit code 1 on `mix hex.organization auth` errors
* Add `--sort` flag `mix hex.outdated`
* Improve error message when trying to publish existing package with permissions
* Consider ex_doc `:output` option when publishing documentation
* Warn on unknown dependency options

### Bug fixes

* Do not close registry server in post_converge. Fixes the "the table \ 
identifier does not refer to an existing ETS table" error.
* Revert Mix changes on Hex application stop
* Fix passing requests from umbrella apps to solver
* Handle empty package name in `mix hex.info`

## v2.0.6 (2023-02-06)

### Bug fixes

* Fix application startup when there are configured organizations