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

@@ -133,7 +133,7 @@
         <maven-site-plugin.version>3.11.0</maven-site-plugin.version>
         <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
         <maven-surefire-plugin.version>3.0.0-M6</maven-surefire-plugin.version>
-        <nexus-staging-maven-plugin.version>1.6.12</nexus-staging-maven-plugin.version>
+        <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
         <plexus-component-metadata.version>2.1.1</plexus-component-metadata.version>
         <sign-maven-plugin.version>1.0.1</sign-maven-plugin.version>
         <sitemapxml-maven-plugin.version>2.1.0</sitemapxml-maven-plugin.version>