Bump org.apache.maven.plugins:maven-site-plugin from 3.12.1 to 3.21.0 (…

…#273)

Bumps [org.apache.maven.plugins:maven-site-plugin](https://github.com/apache/maven-site-plugin) from 3.12.1 to 3.21.0.
- [Release notes](https://github.com/apache/maven-site-plugin/releases)
- [Commits](apache/maven-site-plugin@maven-site-plugin-3.12.1...maven-site-plugin-3.21.0)

* Update maven-fluido-skin to 2.0.0-M11

---
Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sylwester Lachiewicz <[email protected]>
Co-authored-by: Guillaume Nodet <[email protected]>

docs/src/site/site.xml

@@ -19,17 +19,15 @@ specific language governing permissions and limitations
 under the License.
 -->
 
-<project xmlns="http://maven.apache.org/DECORATION/1.8.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/DECORATION/1.8.1 https://maven.apache.org/xsd/decoration-1.8.1.xsd">
+<site xmlns="http://maven.apache.org/SITE/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      xsi:schemaLocation="http://maven.apache.org/SITE/2.0.0 https://maven.apache.org/xsd/site-2.0.0.xsd">
 
-  <bannerLeft>
-    <src>https://maven.apache.org/images/apache-maven-project.png</src>
-    <href>https://www.apache.org/</href>
+  <bannerLeft href="https://www.apache.org/">
+    <image src="https://maven.apache.org/images/apache-maven-project.png"/>
   </bannerLeft>
 
-  <bannerRight>
-    <src>https://maven.apache.org/images/maven-logo-black-on-white.png</src>
-    <href>https://maven.apache.org/</href>
+  <bannerRight href="https://www.apache.org/">
+    <image src="https://maven.apache.org/images/maven-logo-black-on-white.png"/>
   </bannerRight>
 
   <skin>
@@ -101,4 +99,4 @@ under the License.
     </menu>
 
   </body>
-</project>
+</site>

pom.xml

@@ -116,7 +116,7 @@ under the License.
     <version.maven-deploy-plugin>3.1.3</version.maven-deploy-plugin>
     <version.maven-ear-plugin>3.3.0</version.maven-ear-plugin>
     <version.maven-enforcer-plugin>3.5.0</version.maven-enforcer-plugin>
-    <version.maven-fluido-skin>1.12.0</version.maven-fluido-skin>
+    <version.maven-fluido-skin>2.0.0-M11</version.maven-fluido-skin>
     <version.maven-gpg-plugin>3.2.7</version.maven-gpg-plugin>
     <version.maven-help-plugin>3.5.1</version.maven-help-plugin>
     <version.maven-install-plugin>3.1.3</version.maven-install-plugin>
@@ -131,7 +131,7 @@ under the License.
     <version.maven-scm-plugin>2.1.0</version.maven-scm-plugin>
     <version.maven-scm-publish-plugin>3.3.0</version.maven-scm-publish-plugin>
     <version.maven-shade-plugin>3.6.0</version.maven-shade-plugin>
-    <version.maven-site-plugin>3.12.1</version.maven-site-plugin>
+    <version.maven-site-plugin>3.21.0</version.maven-site-plugin>
     <version.maven-source-plugin>3.3.1</version.maven-source-plugin>
     <version.maven-surefire>${surefire.version}</version.maven-surefire>
     <version.maven-war-plugin>3.4.0</version.maven-war-plugin>
@@ -472,7 +472,7 @@ under the License.
                   <includeClassifiers>source-release</includeClassifiers>
                   <excludeMainArtifact>true</excludeMainArtifact>
                   <csvSummary>false</csvSummary>
-                  <!-- attach SHA-512 checksum as well to upload to Maven Staging Repo, 
+                  <!-- attach SHA-512 checksum as well to upload to Maven Staging Repo,
                        as this eases uploading from stage to dist and doesn't do harm in Maven Central -->
                   <attachChecksums>true</attachChecksums>
                 </configuration>