Bump org.sonarsource.scanner.maven:sonar-maven-plugin in /portfolio-app

Bumps [org.sonarsource.scanner.maven:sonar-maven-plugin](https://github.com/SonarSource/sonar-scanner-maven) from 5.4.0.6343 to 5.5.0.6356.
- [Release notes](https://github.com/SonarSource/sonar-scanner-maven/releases)
- [Commits](SonarSource/sonar-scanner-maven@5.4.0.6343...5.5.0.6356)

---
updated-dependencies:
- dependency-name: org.sonarsource.scanner.maven:sonar-maven-plugin
  dependency-version: 5.5.0.6356
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

portfolio-app/pom.xml

@@ -563,7 +563,7 @@
 				<plugin>
 					<groupId>org.sonarsource.scanner.maven</groupId>
 					<artifactId>sonar-maven-plugin</artifactId>
-					<version>5.4.0.6343</version>
+					<version>5.5.0.6356</version>
 				</plugin>
 				<plugin>
 					<groupId>name.abuchen</groupId>