Bump nginx from 1.21.6-alpine to 1.23.1-alpine#2

dependabot[bot] wants to merge 1 commit intomainsapianco/docker-nginx-php:mainfrom

dependabot/docker/nginx-1.23.1-alpinesapianco/docker-nginx-php:dependabot/docker/nginx-1.23.1-alpineCopy head branch name to clipboard