Update index.json file

index.json

 {
 	"version": "LTP01-03_1.0.0",
-	"release_date": "20211231",
+	"release_date": "20220203",
 	"descr": "Calibration package for LTP01-03",
-	"author": "",
+	"author": "Metis team",
 	"DOI": "",
 	"validity_range":
 	{
-		"start": "2020-01-01",
-		"end": "2021-06-28"
+		"start": "2020-02-10",
+		"end": "2021-06-27"
 	},
 	"constants":
 	{