This PR fixes the issue with sonar check
```
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/
```
main changes
- Support build/packaging using JDK17
- Still supports JDK11 for building
- Support JRE17 for use in production installation
- Drop EL7 support
The community packages will be still packaged using JDK11.
If uses want, they can build by JDK17 as well.
Signed-off-by: Wei Zhou <wei.zhou@shapeblue.com>
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
Co-authored-by: Rohit Yadav <rohit.yadav@shapeblue.com>