Bump github.com/json-iterator/go from 1.1.7 to 1.1.8

Bumps [github.com/json-iterator/go](https://github.com/json-iterator/go) from 1.1.7 to 1.1.8.
- [Release notes](https://github.com/json-iterator/go/releases)
- [Commits](https://github.com/json-iterator/go/compare/v1.1.7...1.1.8)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f