fix(deps): update module github.com/spf13/viper to v1.20.0#650

marceljk merged 2 commits intomainstackitcloud/stackit-cli:mainfrom

renovate/github.com-spf13-viper-1.xstackitcloud/stackit-cli:renovate/github.com-spf13-viper-1.xCopy head branch name to clipboard