Bump github.com/mackerelio/mkr from 0.46.7 to 0.47.2 in /wix#21

dependabot[bot] wants to merge 1 commit intomastersugy/mackerel-agent:masterfrom

dependabot/go_modules/wix/github.com/mackerelio/mkr-0.47.2sugy/mackerel-agent:dependabot/go_modules/wix/github.com/mackerelio/mkr-0.47.2Copy head branch name to clipboard