Bump org.codehaus.mojo:mojo-parent from 78 to 80 (#419)

* Bump org.codehaus.mojo:mojo-parent from 78 to 80

Bumps [org.codehaus.mojo:mojo-parent](https://github.com/mojohaus/mojo-parent) from 78 to 80.
- [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] <support@github.com>

* drop not used recommendedJavaBuildVersion

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Slawomir Jaranowski <s.jaranowski@gmail.com>

pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.codehaus.mojo</groupId>
     <artifactId>mojo-parent</artifactId>
-    <version>78</version>
+    <version>80</version>
   </parent>
 
   <artifactId>exec-maven-plugin</artifactId>
@@ -123,7 +123,6 @@
 
   <properties>
     <mavenVersion>3.6.3</mavenVersion>
-    <recommendedJavaBuildVersion>11</recommendedJavaBuildVersion>
     <slf4j.version>1.7.36</slf4j.version>
     <asm.version>9.6</asm.version>
     <invoker.parallelThreads>1C</invoker.parallelThreads>