chore(release): v1.2.1 (#833)

<!-- markdownlint-disable first-line-h1 -->

**Description:**

Release v1.2.1

**Related Issues:**

N/A

**Checklist:**

- [x] Review the [CONTRIBUTING.md](../blob/main/CONTRIBUTING.md)
documentation.
- [x] Add a reference to a related issue in the repository.
- [x] Add a description of the changes proposed in the pull request.
- [x] Add unit tests if applicable.
- [x] Update documentation if applicable.
- [x] Add a note in the [CHANGELOG.md](../blob/main/CHANGELOG.md) if
applicable.
- [x] Sign the [Google
CLA](https://cla.developers.google.com/about/google-corporate).

Signed-off-by: Ian Lewis <ianmlewis@gmail.com>

CHANGELOG.md

@@ -5,9 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## X.Y.Z
+## [1.2.1] - 2024-05-15
 
-### Fixed in X.Y.Z
+### Fixed in 1.2.1
 
 - Fixed the "error updating to TUF remote mirror: invalid key" error
   ([#688](https://github.com/ianlewis/todo-issue-reopener/issues/688)).
@@ -49,3 +49,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [1.0.0]: https://github.com/ianlewis/todo-issue-reopener/releases/tag/v1.0.0
 [1.1.0]: https://github.com/ianlewis/todo-issue-reopener/releases/tag/v1.1.0
 [1.2.0]: https://github.com/ianlewis/todo-issue-reopener/releases/tag/v1.2.0
+[1.2.1]: https://github.com/ianlewis/todo-issue-reopener/releases/tag/v1.2.1