Bump org.sonatype.plugins:nexus-staging-maven-plugin (#585)

pom.xml

@@ -85,7 +85,7 @@
         <maven-release-plugin.version>3.0.1</maven-release-plugin.version>
         <maven-shade-plugin.version>3.5.3</maven-shade-plugin.version>
         <build-helper-maven-plugin.version>3.4.0</build-helper-maven-plugin.version>
-        <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
+        <nexus-staging-maven-plugin.version>1.7.0</nexus-staging-maven-plugin.version>
         <license-maven-plugin.version>4.5</license-maven-plugin.version>
         <jacoco-maven-plugin.version>0.8.12</jacoco-maven-plugin.version>
         <coveralls-maven-plugin.version>4.3.0</coveralls-maven-plugin.version>