Bump nexus-staging-maven-plugin from 1.6.11 to 1.6.12 (#111)

Bumps nexus-staging-maven-plugin from 1.6.11 to 1.6.12.

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -96,7 +96,7 @@
         <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-M5</maven-surefire-plugin.version>
-        <nexus-staging-maven-plugin.version>1.6.11</nexus-staging-maven-plugin.version>
+        <nexus-staging-maven-plugin.version>1.6.12</nexus-staging-maven-plugin.version>
         <sonar-maven-plugin.version>3.9.1.2184</sonar-maven-plugin.version>
         <versions-maven-plugin.version>2.9.0</versions-maven-plugin.version>