docs: add docs for the new lossy option of the parse_json vrl function

website/cue/reference/remap/functions/parse_json.cue

@@ -28,6 +28,17 @@ remap: functions: parse_json: {
 			required: false
 			type: ["integer"]
 		},
+		{
+			name: "lossy"
+			description: """
+			    Whether to parse the JSON in a lossy manner. Replaces invalid UTF-8 characters
+			    with the unicode character `�` (U+FFFD) if set to true, otherwise returns an error
+				if there are any invalid UTF-8 characters present.
+                """
+			required: false
+			default: true
+			type: ["boolean"]
+		},
 	]
 	internal_failure_reasons: [
 		"`value` is not a valid JSON-formatted payload.",