message: chore: add severity level enum
diff: "type": "object",
  "default": {},
  "description": "Allows a user to override the severity levels for individual diagnostics.",
  + "additionalProperties": {
  + "type": "string",
  + "enum": [
  + "none",
  + "warning",
  + "information",
  + "error"
  + ]
  + },
  "scope": "resource"
  },
  "python.analysis.logLevel": {
  