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] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -359,7 +359,7 @@
 			<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>
 					<nexusUrl>https://oss.sonatype.org/</nexusUrl>