build(deps): Bump golang from 1.25.6-alpine to 1.26rc3-alpine in /testutil/promrated#4289

dependabot[bot] wants to merge 1 commit intomainObolNetwork/charon:mainfrom

dependabot/docker/testutil/promrated/golang-1.26rc3-alpineObolNetwork/charon:dependabot/docker/testutil/promrated/golang-1.26rc3-alpineCopy head branch name to clipboard