Changelog links not updated in 1.9.0

[prestwich]

1.9.0 did not update the link section at the bottom of the changelog. This added to pre-existing issues with missing 1.7 and incorrect 1.8.

For 1.10.0, update links to the following:

[unreleased]: https://github.com/recmo/uint/compare/v1.10.0...HEAD
[1.10.0]: https://github.com/recmo/uint/releases/tag/v1.10.0
[1.9.0]: https://github.com/recmo/uint/releases/tag/v1.9.0
[1.8.0]: https://github.com/recmo/uint/releases/tag/v1.8.0
[1.7.0]: https://github.com/recmo/uint/releases/tag/v1.7.0
[1.6.0]: https://github.com/recmo/uint/releases/tag/v1.6.0
[1.5.1]: https://github.com/recmo/uint/releases/tag/v1.5.1
[1.5.0]: https://github.com/recmo/uint/releases/tag/v1.5.0
[1.4.1]: https://github.com/recmo/uint/releases/tag/v1.4.1
[1.4.0]: https://github.com/recmo/uint/releases/tag/v1.4.0
[1.3.0]: https://github.com/recmo/uint/releases/tag/v1.3.0
[1.2.0]: https://github.com/recmo/uint/releases/tag/v1.2.0
[1.1.0]: https://github.com/recmo/uint/releases/tag/v1.1.0
[1.0.0]: https://github.com/recmo/uint/releases/tag/v1.0.0
[0.3.0]: https://github.com/recmo/uint/releases/tag/v0.3.0
[0.2.1]: https://github.com/recmo/uint/releases/tag/v0.2.1
[0.2.0]: https://github.com/recmo/uint/releases/tag/v0.2.0
[0.1.0]: https://github.com/recmo/uint/releases/tag/v0.1.0