Update to ureq 3.0.0-rc1 (#143)

* Update to ureq 3.0.0-rc1

* Update CHANGELOG

* oops

* Just allow MPL-2.0

* Fix rebase

* Add basic HTTP retry due to EOF I/O errors

* Update CHANGELOG

CHANGELOG.md

@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
 ### Fixed
+- [PR#143](https://github.com/Jake-Shadle/xwin/pull/142) is a second attempt to resolve [#141](https://github.com/Jake-Shadle/xwin/issues/141) by switching to a new `3.0.0-rc1` version of ureq that might not have the same issue, as well as adding support for retries of EOF I/O errors seen by users which can be configured via `--http-retry` or `XWIN_HTTP_RETRY`.
+
+### Fixed (failed)
 - [PR#142](https://github.com/Jake-Shadle/xwin/pull/142) is an attempt to resolve [#141](https://github.com/Jake-Shadle/xwin/issues/141) by switching from `ureq` to `reqwest`.
 
 ## [0.6.5] - 2024-08-21