[css-sizing-4] post-publication metadata adjustment

Author: fantasai

css-sizing-4/Overview.bs

@@ -7,6 +7,8 @@ Work Status: Exploring
 Group: csswg
 ED: https://drafts.csswg.org/css-sizing-4/
 TR: https://www.w3.org/TR/css-sizing-4/
+Issue Tracking: CSSWG GitHub https://github.com/w3c/csswg-drafts/issues
+Previous Version: https://www.w3.org/TR/2020/WD-css-sizing-4-20201020/
 Editor: Tab Atkins, Google, http://xanthir.com/contact/, w3cid 42199
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400
 Editor: Jen Simmons, Mozilla, http://jensimmons.com/