Bump docker-fixtures from 1.11 to 163.v12f007a_0d63f#62

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dependabot/maven/org.jenkins-ci.test-docker-fixtures-163.v12f007a_0d63fmamh-java/ssh-slaves-plugin:dependabot/maven/org.jenkins-ci.test-docker-fixtures-163.v12f007a_0d63fCopy head branch name to clipboard