Bump nexus-staging-maven-plugin from 1.6.8 to 1.6.11

Bumps nexus-staging-maven-plugin from 1.6.8 to 1.6.11.

---
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>

pom.xml

@@ -71,7 +71,7 @@
         <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
         <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
         <maven.test.failure.ignore>false</maven.test.failure.ignore>
-        <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
+        <nexus-staging-maven-plugin.version>1.6.11</nexus-staging-maven-plugin.version>
         <pitest-junit5-plugin.version>0.15</pitest-junit5-plugin.version>
         <pitmp-maven-plugin.version>1.3.7</pitmp-maven-plugin.version>