Bump org.apache.maven.doxia:doxia-integration-tools

Bumps [org.apache.maven.doxia:doxia-integration-tools](https://github.com/apache/maven-doxia-sitetools) from 2.0.0-M19 to 2.0.0.
- [Release notes](https://github.com/apache/maven-doxia-sitetools/releases)
- [Commits](apache/maven-doxia-sitetools@doxia-sitetools-2.0.0-M19...doxia-sitetools-2.0.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.doxia:doxia-integration-tools
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -118,7 +118,7 @@ under the License.
     <mavenVersion>3.6.3</mavenVersion>
     <resolverVersion>1.4.1</resolverVersion>
     <doxiaVersion>2.0.0-M12</doxiaVersion>
-    <doxiaSitetoolsVersion>2.0.0-M19</doxiaSitetoolsVersion>
+    <doxiaSitetoolsVersion>2.0.0</doxiaSitetoolsVersion>
     <scmVersion>2.1.0</scmVersion>
     <sitePluginVersion>3.20.0</sitePluginVersion>
     <fluidoSkinVersion>2.0.0-M10</fluidoSkinVersion>