.github: use JRE17 for sonar check

this fixes the issue
```
Error:  Failed to execute goal org.sonarsource.scanner.maven:sonar-maven-plugin:3.9.1.2184:sonar (default-cli) on project cloudstack:
Error:
Error:  The version of Java (11.0.22) used to run this analysis is deprecated, and SonarCloud no longer supports it. Please upgrade to Java 17 or later.
Error:  You can find more information here: https://docs.sonarsource.com/sonarcloud/appendices/scanner-environment/
```

.github/workflows/main-sonar-check.yml

@@ -36,11 +36,11 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Set up JDK11
+      - name: Set up JDK17
         uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '17'
           cache: 'maven'
 
       - name: Cache SonarCloud packages

.github/workflows/sonar-check.yml

@@ -38,11 +38,11 @@ jobs:
           ref: "refs/pull/${{ github.event.number }}/merge"
           fetch-depth: 0
 
-      - name: Set up JDK11
+      - name: Set up JDK17
         uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '17'
           cache: 'maven'
 
       - name: Cache SonarCloud packages