Bump doxiaVersion from 1.10 to 1.11.1

Bumps `doxiaVersion` from 1.10 to 1.11.1.

Updates `doxia-core` from 1.10 to 1.11.1
- [Release notes](https://github.com/apache/maven-doxia/releases)
- [Commits](apache/maven-doxia@doxia-1.10...doxia-1.11.1)

Updates `doxia-sink-api` from 1.10 to 1.11.1
- [Release notes](https://github.com/apache/maven-doxia/releases)
- [Commits](apache/maven-doxia@doxia-1.10...doxia-1.11.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.doxia:doxia-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.maven.doxia:doxia-sink-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -101,7 +101,7 @@
     <junitBomVersion>5.8.2</junitBomVersion>
     <mavenVersion>3.0.5</mavenVersion>
     <wagonVersion>3.4.3</wagonVersion>
-    <doxiaVersion>1.10</doxiaVersion>
+    <doxiaVersion>1.11.1</doxiaVersion>
     <doxia-sitetoolsVersion>1.10</doxia-sitetoolsVersion>
     <pluginVersion>${project.version}</pluginVersion>
     <sitePluginVersion>3.7</sitePluginVersion>