chore(deps): bump github.com/spf13/viper from 1.13.0 to 1.19.0

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.13.0 to 1.19.0.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](spf13/viper@v1.13.0...v1.19.0)

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

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

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/justinas/alice v1.2.0
 	github.com/lestrrat-go/jwx/v2 v2.0.21 // indirect
 	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.13.0
+	github.com/spf13/viper v1.19.0
 	github.com/stretchr/testify v1.9.0
 	github.com/xmidt-org/bascule v0.11.0
 	github.com/xmidt-org/codex-db v0.7.3