Bump org.codehaus.mojo:mojo-parent from 80 to 81 (#413)

* Bump org.codehaus.mojo:mojo-parent from 80 to 81

Bumps [org.codehaus.mojo:mojo-parent](https://github.com/mojohaus/mojo-parent) from 80 to 81.
- [Release notes](https://github.com/mojohaus/mojo-parent/releases)
- [Commits](https://github.com/mojohaus/mojo-parent/commits)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:mojo-parent
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

* Fix build with new parent

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Slawomir Jaranowski <[email protected]>

README.md

@@ -1,33 +1,35 @@
 # MojoHaus Flatten Maven Plugin
 
 This is the [flatten-maven-plugin](http://www.mojohaus.org/flatten-maven-plugin/).
- 
+
 [![Apache License, Version 2.0, January 2004](https://img.shields.io/github/license/mojohaus/versions-maven-plugin.svg?label=License)](http://www.apache.org/licenses/)
 [![Maven Central](https://img.shields.io/maven-central/v/org.codehaus.mojo/flatten-maven-plugin.svg?label=Maven%20Central)](https://search.maven.org/artifact/org.codehaus.mojo/flatten-maven-plugin)
 [![GitHub CI](https://github.com/mojohaus/flatten-maven-plugin/actions/workflows/maven.yml/badge.svg)](https://github.com/mojohaus/flatten-maven-plugin/actions/workflows/maven.yml)
 
 ## Quickstart
+
 This plugin generates a flattened version of your pom.xml and makes maven to install and deploy this one instead of the original pom.xml.
+
 ```
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>flatten-maven-plugin</artifactId>
-        <!--<version>INSERT LATEST VERSION HERE</version>-->
-        <executions>
-          <execution>
-            <goals>
-              <goal>flatten</goal>
-            </goals>
-          </execution>
-        </executions>
-        <configuration>
-          <!-- See usage on maven site from link above for details -->
-        </configuration>
-      </plugin>
-    </plugins>
-  </build>
+<build>
+  <plugins>
+    <plugin>
+      <groupId>org.codehaus.mojo</groupId>
+      <artifactId>flatten-maven-plugin</artifactId>
+      <!--<version>INSERT LATEST VERSION HERE</version>-->
+      <executions>
+        <execution>
+          <goals>
+            <goal>flatten</goal>
+          </goals>
+        </execution>
+      </executions>
+      <configuration>
+        <!-- See usage on maven site from link above for details -->
+      </configuration>
+    </plugin>
+  </plugins>
+</build>
 ```
 
 ## Releasing
@@ -41,3 +43,4 @@ For publishing the site do the following:
 cd target/checkout
 mvn site scm-publish:publish-scm
 ```
+

pom.xml

@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.codehaus.mojo</groupId>
     <artifactId>mojo-parent</artifactId>
-    <version>80</version>
+    <version>81</version>
   </parent>
 
   <artifactId>flatten-maven-plugin</artifactId>
@@ -128,7 +128,6 @@
 
   <properties>
     <mavenVersion>3.6.3</mavenVersion>
-    <recommendedJavaBuildVersion>11</recommendedJavaBuildVersion>
     <project.build.outputTimestamp>2024-01-14T11:28:18Z</project.build.outputTimestamp>
   </properties>
 
@@ -227,29 +226,6 @@
   </dependencies>
 
   <build>
-    <pluginManagement>
-      <plugins>
-        <plugin>
-          <groupId>org.apache.maven.plugins</groupId>
-          <artifactId>maven-plugin-report-plugin</artifactId>
-          <configuration>
-            <requirementsHistories>
-              <requirementsHistory>
-                <version>1.5.0</version>
-                <maven>3.5.4</maven>
-                <jdk>1.8</jdk>
-              </requirementsHistory>
-              <requirementsHistory>
-                <version>1.4.0</version>
-                <maven>3.2.5</maven>
-                <jdk>1.8</jdk>
-              </requirementsHistory>
-            </requirementsHistories>
-          </configuration>
-        </plugin>
-      </plugins>
-    </pluginManagement>
-
     <plugins>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
@@ -317,7 +293,6 @@
               </execution>
             </executions>
           </plugin>
-
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>mrm-maven-plugin</artifactId>