Update Tycho to 5.0.2 and Maven to 3.9.9

- Update <tycho-version> in org.moreunit.build/pom.xml to 5.0.2.
- Update Maven version to 3.9.9 in GitHub workflows (maven.yml and coverage.yml) as required by Tycho 5.
- Update stCarolas/setup-maven to v5 in GitHub workflows to support modern environments.

Co-authored-by: RoiSoleil <3462260+RoiSoleil@users.noreply.github.com>

Author: google-labs-jules[bot]

.github/workflows/coverage.yml

@@ -25,9 +25,9 @@ jobs:
           cache: 'maven'
 
       - name: Setup Maven
-        uses: stCarolas/setup-maven@v4.5
+        uses: stCarolas/setup-maven@v5
         with:
-          maven-version: 3.9.4
+          maven-version: 3.9.9
 
       - name: Build with Coverage
         run: mvn -file org.moreunit.build/pom.xml clean install -Pcoverage "-Dtarget.platform.classifier=eclipse-latest" --fail-at-end --batch-mode --strict-checksums --update-snapshots "-Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn"

.github/workflows/maven.yml

@@ -30,9 +30,9 @@ jobs:
           java-version: '21'
           cache: 'maven'
       - name: Setup Maven
-        uses: stCarolas/setup-maven@v.4.5
+        uses: stCarolas/setup-maven@v5
         with:
-          maven-version: 3.9.4
+          maven-version: 3.9.9
 
       - name: Build and verify
         run: mvn -file org.moreunit.build/pom.xml clean install "-Dtarget.platform.classifier=eclipse-latest" --fail-at-end --batch-mode --strict-checksums --update-snapshots "-Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn"