Support LCLS 2.4

[TrevCraw]

• Test with LCLS 2.4-SNAPSHOT once available (https://github.com/OpenLiberty/liberty-language-server)
• Check for any regression in LCLS behaviour.
• Determine new LCLS behaviour to test and verify it behaves as expected.
• Report any bugs to the LCLS team.
• Update version to 2.4 once available.
• Verify fix for Quick fix for a missing value in server.env or bootstrap.properties replaces the property name with the value. #1406

[S-VINEETH-10]

Liberty Config Language Server 2.4 - Release Note
Liberty LemMinX Language Server 2.4 - Release Note

[S-VINEETH-10]

• Tested with LCLS 2.4 - no issues observed
• Verified no regressions observed in existing LCLS behaviour.
• Identified and validated the new LCLS behaviour—works as expected. Updated FVT Test Plan and highlighted the changes.
• Opened a PR #1430 to upgrade LCLS Version.
• Verified issue Quick fix for a missing value in server.env or bootstrap.properties replaces the property name with the value. #1406 — it’s working as expected in LCLS 2.4.