[web-animations-1] Add link to previous version

Author: birtles

web-animations-1/Overview.bs

@@ -83,6 +83,7 @@ Work Status: Refining
 ED: https://drafts.csswg.org/web-animations-1/
 TR: https://www.w3.org/TR/web-animations-1/
 
+Previous version: https://www.w3.org/TR/2023/WD-web-animations-1-20230605/
 Previous version: https://www.w3.org/TR/2021/WD-web-animations-1-20220908/
 Previous version: https://www.w3.org/TR/2021/WD-web-animations-1-20210518/
 Previous version: https://www.w3.org/TR/2018/WD-web-animations-1-20181011/
@@ -6400,21 +6401,10 @@ Changes since last publication {#changes-since-last-publication}
 =======================================
 
 The following changes have been made since the <a
-  href="https://www.w3.org/TR/2022/WD-web-animations-1-20220908/">8 September
-2022 Working Draft</a>:
-
--   Updated the procedure to [=set the playback rate=] to main the start time
-    and swap start time position when playback rate is flipped on non-monotonic
-    timelines.
-
--   Factored out the definition of [=relevant animations=] for use by other specs.
-
--   Updated the definition of [=current=] animation effects such that they are
-    considered current if they are non-idle and associated with non-increasing
-    timelines.
-
--   Fixed a code example in the [[#fill-behavior]] section.
+  href="https://www.w3.org/TR/2023/WD-web-animations-1-20230605/">5 June
+2023 Working Draft</a>:
 
+(Nothing yet)
 
 The <a
   href="https://github.com/w3c/csswg-drafts/commits/main/web-animations-1">changelog</a>