Bump org.codehaus.mojo:mojo-parent from 80 to 84

Bumps [org.codehaus.mojo:mojo-parent](https://github.com/mojohaus/mojo-parent) from 80 to 84.
- [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]>

README.md

@@ -1,33 +1,33 @@
 # MojoHaus Javacc Maven Plugin
 
 This is the [javacc-maven-plugin](http://www.mojohaus.org/javacc-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/javacc-maven-plugin.svg?label=Maven%20Central)](https://search.maven.org/artifact/org.codehaus.mojo/javacc-maven-plugin)
 [![GitHub CI](https://github.com/mojohaus/javacc-maven-plugin/actions/workflows/maven.yml/badge.svg)](https://github.com/mojohaus/javacc-maven-plugin/actions/workflows/maven.yml)
 
 ## Quickstart
 
 ```
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>javacc-maven-plugin</artifactId>
-        <!--<version>INSERT LATEST VERSION HERE</version>-->
-        <executions>
-          <execution>
-            <goals>
-              <goal>....</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>javacc-maven-plugin</artifactId>
+      <!--<version>INSERT LATEST VERSION HERE</version>-->
+      <executions>
+        <execution>
+          <goals>
+            <goal>....</goal>
+          </goals>
+        </execution>
+      </executions>
+      <configuration>
+        <!-- See usage on maven site from link above for details -->
+      </configuration>
+    </plugin>
+  </plugins>
+</build>
 ```
 
 ## Releasing
@@ -41,3 +41,4 @@ For publishing the site do the following:
 cd target/checkout
 mvn verify site site:stage scm-publish:publish-scm
 ```
+

pom.xml

@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.codehaus.mojo</groupId>
     <artifactId>mojo-parent</artifactId>
-    <version>80</version>
+    <version>84</version>
   </parent>
 
   <artifactId>javacc-maven-plugin</artifactId>