chore(deps): bump github.com/spf13/viper from 1.4.0 to 1.18.2 (#12)

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.4.0 to 1.18.2.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](spf13/viper@v1.4.0...v1.18.2)

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

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

Author: dependabot[bot]

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/ory/fosite v0.40.2
 	github.com/pkg/errors v0.9.1
 	github.com/rs/zerolog v1.32.0
-	github.com/spf13/viper v1.4.0
+	github.com/spf13/viper v1.18.2
 	golang.org/x/crypto v0.22.0
 	gopkg.in/square/go-jose.v2 v2.5.1
 )