build(deps): update dependency org.sonatype.plugins:nexus-staging-maven-plugin to v1.6.9#719

gcf-merge-on-green[bot] merged 2 commits into

googleapis:maingoogleapis/java-resourcemanager:mainfrom

renovate-bot:renovate/org.sonatype.plugins-nexus-staging-maven-plugin-1.xrenovate-bot/java-resourcemanager:renovate/org.sonatype.plugins-nexus-staging-maven-plugin-1.xCopy head branch name to clipboard