Update clangd config file schema with new config options in clangd 22

[HighCommander4]

Area with issue?

JSON Schema

✔️ Expected Behavior

When editing a .clangd configuration file, config keys added in clangd 22 are recognized.

❌ Actual Behavior

An error is reported for newly added config keys, e.g. "Propert MacroFilter is not allowed."

JSON, YAML, or TOML file that does not work.

Completion:
  MacroFilter: FuzzyMatch

IDE or code editor.

Visual Studio Code

[HighCommander4]

Hi @hyperupcall :) Could I interest you in updating the schema with new config keys in clangd 22? They are:

• MacroFilter, under Completion
• MacroContentsLimit, under Hover
• Documentation (new top-level key)