Do not inherit "throws Exception" from Callable to compile on JDK8

[sdedic]

In #5118, I have created a generic method that rethrows callable's (checked) exception using sneaky throws approach - but the code is not compilable on JDK8 because the JDK8 javac fails to infer types properly:

 [nb-javac] /space/src/vscode/netbeans/java/java.lsp.server/nbcode/integration/src/org/netbeans/modules/nbcode/integration/commands/ProjectAuditCommand.java:149: error: call() in <anonymous org.netbeans.modules.nbcode.integration.commands.ProjectAuditCommand$> cannot implement call() in OCIOperation
 [nb-javac]         return OCIManager.usingSession(auditWithProfile, () -> v.findKnowledgeBase(knowledgeBase).
 [nb-javac]                                                          ^
 [nb-javac]   overridden method does not throw Exception

One way is to typecast the lambda or augment the mehod call using explicit type parameters <Object, Exception>, but it seems that removing extends Callable from the OCIOperation interface does the same - and leaves caller code clean - and compiles on both JDK8 and JDK11 (JDK17)

Please review asap - the code reached master branch and failed vscode testsuite ... was not discovered, since I didn't put enough labels on #5118 - sorry for the inconvenience.

[jhorvath]

Looks good

[mbien]

makes sense.

If you want to run the LSP/graal jobs on more/other labels just tell me and I add it to the list. Currently you have to be fairly specific there and request LSP or VSCode Extension to run any of them.

[mbien]

merging since this fixes master

[jlahoda]

Looks good to me, ftr.