Update module github.com/spf13/viper to v1.19.0

Author: renovate[bot]

go.mod

@@ -5,7 +5,7 @@ go 1.19
 require (
 	github.com/go-chi/chi/v5 v5.0.8
 	github.com/lib/pq v1.10.8
-	github.com/spf13/viper v1.15.0
+	github.com/spf13/viper v1.19.0
 )
 
 require (