Increase timeout for Rust packages
swh-graph exceeded the timeout once: https://jenkins.softwareheritage.org/blue/organizations/jenkins/DGRPH%2Fgitlab-builds/detail/gitlab-builds/2430/pipeline/60
swh-graph exceeded the timeout once: https://jenkins.softwareheritage.org/blue/organizations/jenkins/DGRPH%2Fgitlab-builds/detail/gitlab-builds/2430/pipeline/60