Update index.json file

index.json

 {
-	"version": "LTP09_1.1.0",
-	"release_date": "20230915",
+	"version": "LTP09_1.2.0",
+	"release_date": "20231113",
 	"descr": "Calibration package for LTP09",
 	"author": "Metis team",
 	"DOI": "",
@@ -1221,10 +1221,10 @@
 				"validity": "False"
 			},
 			"opt_efficiency": {
-				"file_name": "UV_eff_map_det_p_v02.fits",
+				"file_name": "UVRC2_eff_map_det_v01.fits",
 				"error": "UV_err_map_det_new.fits",
 				"source": "TBD",
-				"descr": "Combination of door UV/VL intensity ratio map with in-flight radiometric response to be used as map of optical and radiometric efficiency",
+				"descr": "Combination of door UV/VL intensity ratio map with in-flight radiometric response to be used as map of optical and radiometric efficiency for OBSW version 2.2.0",
 				"validity": "False"
 			}
 		},