CLOUD-727: Bump docker/setup-buildx-action from 3 to 4#1263

dependabot[bot] wants to merge 2 commits intomainpercona/percona-server-mysql-operator:mainfrom

dependabot/github_actions/docker/setup-buildx-action-4percona/percona-server-mysql-operator:dependabot/github_actions/docker/setup-buildx-action-4Copy head branch name to clipboard