Bump nexus-staging-maven-plugin from 1.6.12 to 1.6.13

Bumps nexus-staging-maven-plugin from 1.6.12 to 1.6.13.

---
updated-dependencies:
- dependency-name: org.sonatype.plugins:nexus-staging-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -111,7 +111,7 @@
             <plugin>
                 <groupId>org.sonatype.plugins</groupId>
                 <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.12</version>
+                <version>1.6.13</version>
                 <extensions>true</extensions>
                 <configuration>
                     <serverId>ossrh</serverId>
@@ -199,7 +199,7 @@
                     <plugin>
                         <groupId>org.sonatype.plugins</groupId>
                         <artifactId>nexus-staging-maven-plugin</artifactId>
-                        <version>1.6.12</version>
+                        <version>1.6.13</version>
                         <extensions>true</extensions>
                         <configuration>
                             <serverId>ossrh</serverId>