build(deps): update dependency org.sonatype.plugins:nexus-staging-maven-plugin to v1.7.0 (#2564)

* build(deps): update dependency org.sonatype.plugins:nexus-staging-maven-plugin to v1.7.0

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: renovate-bot

samples/pom.xml

@@ -48,7 +48,7 @@
       <plugin>
         <groupId>org.sonatype.plugins</groupId>
         <artifactId>nexus-staging-maven-plugin</artifactId>
-        <version>1.6.13</version>
+        <version>1.7.0</version>
         <configuration>
           <skipNexusStagingDeployMojo>true</skipNexusStagingDeployMojo>
         </configuration>