Extend GET_PROJECT_INFO command with java settings or provide an additional command

### Description

Extend `GET_PROJECT_INFO` command (or provide an additional command) with java settings -- the source/target/release info is already internally available from maven/gradle parsing itself just not exported to LS protocol.

### Use case/motivation

[This code ](https://github.com/apache/netbeans/blob/e1fbbd88dd1fac6b933ae625d9af00b58edac168/java/java.lsp.server/vscode/src/jdk/validation/project.ts#L92) will need to be updated when new command becomes available or existing one extended

### Related issues

_No response_

### Are you willing to submit a pull request?

No

Trace the GET_PROJECT_INFO command in the Java language server and the Maven/Gradle parsing paths that already hold source, target, and release settings. Review java/java.lsp.server/vscode/src/jdk/validation/project.ts to understand the consumer; done means the settings are exposed through the LS protocol, either by extending the command or adding a new one.

Written by the indexing model from the issue text.