Bump doxiaVersion from 2.0.0 to 2.1.0

Dependabot couldn't find the original pull request head commit, 7473384.

Author: dependabot[bot]

pom.xml

@@ -198,7 +198,7 @@ under the License.
     <mavenVersion>3.6.3</mavenVersion>
     <!-- for dependencies -->
     <jettyVersion>9.4.58.v20250814</jettyVersion>
-    <doxiaVersion>2.0.0</doxiaVersion>
+    <doxiaVersion>2.1.0</doxiaVersion>
     <doxiaSitetoolsVersion>2.1.0</doxiaSitetoolsVersion>
     <wagonVersion>3.5.3</wagonVersion>
     <slf4jVersion>1.7.36</slf4jVersion>