Merge pull request #733 from rabbitmq/dependabot/maven/org.sonatype.plugins-nexus-staging-maven-plugin-1.6.12

Bump nexus-staging-maven-plugin from 1.6.8 to 1.6.12

Author: acogoluegnes

pom.xml

@@ -82,7 +82,7 @@
     <maven.jar.plugin.version>3.2.2</maven.jar.plugin.version>
     <maven.bundle.plugin.version>5.1.4</maven.bundle.plugin.version>
     <maven.packagecloud.wagon.version>0.0.6</maven.packagecloud.wagon.version>
-    <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
+    <nexus-staging-maven-plugin.version>1.6.12</nexus-staging-maven-plugin.version>
     <checksum.maven.plugin.version>1.11</checksum.maven.plugin.version>
     <jshell-maven-plugin.version>1.3</jshell-maven-plugin.version>