Bump doxiaSiteToolsVersion from 1.10 to 1.11.1

Bumps `doxiaSiteToolsVersion` from 1.10 to 1.11.1.

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

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

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

---
updated-dependencies:
- dependency-name: org.apache.maven.doxia:doxia-decoration-model
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.maven.doxia:doxia-site-renderer
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.maven.doxia:doxia-integration-tools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -129,7 +129,7 @@
     <groovyVersion>3.0.9</groovyVersion>
 
     <doxiaVersion>1.11.1</doxiaVersion>
-    <doxiaSiteToolsVersion>1.10</doxiaSiteToolsVersion>
+    <doxiaSiteToolsVersion>1.11.1</doxiaSiteToolsVersion>
 
     <mavenCoreVersion>3.8.4</mavenCoreVersion>
     <mavenSharedUtilsVersion>3.3.4</mavenSharedUtilsVersion>