build(deps-dev): bump @semantic-release/github from e9063a2 to 15a21a2 (#632)

build(deps-dev): bump @semantic-release/github

Bumps [@semantic-release/github](https://github.com/semantic-release/github) from `e9063a2` to `15a21a2`.
- [Release notes](https://github.com/semantic-release/github/releases)
- [Commits](semantic-release/github@e9063a2...15a21a2)

---
updated-dependencies:
- dependency-name: "@semantic-release/github"
  dependency-version: 15a21a24ad2274bd2c212987b4356816a6ff6728
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]