build(deps): bump org.apache.maven.doxia:doxia-sink-api

Bumps [org.apache.maven.doxia:doxia-sink-api](https://github.com/apache/maven-doxia) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/apache/maven-doxia/releases)
- [Commits](apache/maven-doxia@doxia-2.0.0...doxia-2.1.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.doxia:doxia-sink-api
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

maven/pom.xml

@@ -87,7 +87,7 @@ Copyright (c) 2013 Jeremy Long. All Rights Reserved.
             <dependency>
                 <groupId>org.apache.maven.doxia</groupId>
                 <artifactId>doxia-sink-api</artifactId>
-                <version>2.0.0</version>
+                <version>2.1.0</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.maven.shared</groupId>