[css-color-hdr][editorial] Linkfix, prepare for WD

Author: svgeesus

css-color-hdr-1/Overview.bs

@@ -3,8 +3,9 @@
 Title: CSS Color HDR Module Level 1
 Shortname: css-color-hdr
 Level: 1
-Status: ED
-Prepare for TR: no
+Status: WD
+Prepare for TR: yes
+Date: 2025-12-02
 Group: csswg
 TR: https://www.w3.org/TR/css-color-hdr-1/
 ED: https://drafts.csswg.org/css-color-hdr-1/
@@ -83,10 +84,10 @@ WPT Display: open
 			"date": "July 2018"
 		},
 		"Rec_BT.2100": {
-			"title": "ITU-R BT.2100-2 Image parameter values for high dynamic range television for use in production and international programme exchange",
-			"href": "https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.2100-2-201807-I!!PDF-E.pdf",
+			"title": "ITU-R BT.2100-3 Image parameter values for high dynamic range television for use in production and international programme exchange",
+			"href": "https://www.itu.int/rec/recommendation.asp?lang=en&parent=R-REC-BT.2100-3-202502-I",
 			"publisher": "ITU",
-			"date": "July 2018"
+			"date": "February 2025"
 		},
 		"Rec_BT.2124": {
 			"title": "ITU-R BT.2124-0 Objective metric for the assessment of the potential visibility of colour differences in television",