Bump org.apache.maven:maven-core

Bumps [org.apache.maven:maven-core](https://github.com/apache/maven) from 2.0.4274 to 3.8.1.
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](https://github.com/apache/maven/commits/maven-3.8.1)

---
updated-dependencies:
- dependency-name: org.apache.maven:maven-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

core-it-suite/src/test/resources/mng-4274/pom.xml

@@ -46,7 +46,7 @@ under the License.
             <!-- NOTE: This has a dependency on our plexus-utils stub version 1.1.4274 -->
             <groupId>org.apache.maven</groupId>
             <artifactId>maven-core</artifactId>
-            <version>2.0.4274</version>
+            <version>3.8.1</version>
           </dependency>
         </dependencies>
         <executions>