build(deps): bump github.com/spf13/viper from 1.18.1 to 1.18.2

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.18.1 to 1.18.2.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](spf13/viper@v1.18.1...v1.18.2)

---
updated-dependencies:
- dependency-name: github.com/spf13/viper
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>