feat: adds inline value support

[karthiknadig]

Description (e.g. "Related to ...", etc.)

Adds support for inline value request.

Code review checklist (for code reviewer to complete)

• Pull request represents a single change (i.e. not fixing disparate/unrelated things in a single PR)
• Title summarizes what is changing
• Commit messages are meaningful (see this for details)
• Tests have been included and/or updated, as appropriate
• Docstrings have been included and/or updated, as appropriate
• Standalone docs have been updated accordingly

[tombh]

I think this completes support for inline values necessary for LSP 3.17 right? The tracking issue is at #346

[karthiknadig]

@tombh That is correct.

[tombh]

Thank you ⭐