Bump org.sonarsource.scanner.maven:sonar-maven-plugin

Bumps [org.sonarsource.scanner.maven:sonar-maven-plugin](https://github.com/SonarSource/sonar-scanner-maven) from 5.1.0.4751 to 5.2.0.4988.
- [Release notes](https://github.com/SonarSource/sonar-scanner-maven/releases)
- [Commits](SonarSource/sonar-scanner-maven@5.1.0.4751...5.2.0.4988)

---
updated-dependencies:
- dependency-name: org.sonarsource.scanner.maven:sonar-maven-plugin
  dependency-version: 5.2.0.4988
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

exist-parent/pom.xml

@@ -978,7 +978,7 @@
                 <plugin>
                     <groupId>org.sonarsource.scanner.maven</groupId>
                     <artifactId>sonar-maven-plugin</artifactId>
-                    <version>5.1.0.4751</version>
+                    <version>5.2.0.4988</version>
                 </plugin>
             </plugins>
         </pluginManagement>