eclipse-temurin: add Stewart Addison as a maintainer
eclipse-temurin: add Stewart Addison as a maintainer

@sxa has been a long-term contributor to the Eclipse Temurin project and is the defacto infra-lead
docker-library/official-images,infosiftr/stackbrew,docker-library/official-images,docker-library/official-images,docker-library/official-images,infosiftr/stackbrew,neo-technology/docker-official-images,neo-technology/docker-official-images,docker-library/official-images,neo-technology/docker-official-images,infosiftr/stackbrew,neo-technology/docker-official-images,infosiftr/stackbrew,infosiftr/stackbrew,docker-library/official-images,docker-library/official-images,neo-technology/docker-official-images,infosiftr/stackbrew,neo-technology/docker-official-images,docker-library/official-images,neo-technology/docker-official-images,neo-technology/docker-official-images,infosiftr/stackbrew,docker-library/official-images,infosiftr/stackbrew,docker-library/official-images,infosiftr/stackbrew,infosiftr/stackbrew,docker-library/official-images,infosiftr/stackbrew,neo-technology/docker-official-images,docker-library/official-images,neo-technology/docker-official-images,infosiftr/stackbrew,neo-technology/docker-official-images,infosiftr/stackbrew,docker-library/official-images,neo-technology/docker-official-images,infosiftr/stackbrew,neo-technology/docker-official-images,neo-technology/docker-official-images,docker-library/official-images