[css-color-4] 更新漏れ（文献

Author: triple-underscore

css-color-ja.html

@@ -2669,7 +2669,7 @@
 [CSS-ANIMATIONS-1]
     David Baron; et al. ＜CSS Animations Level 1＞. URL: https://drafts.csswg.org/css-animations/
 [CSS-COLOR-5]
-    Chris Lilley; et al. ＜CSS Color Module Level 5＞. URL: https://drafts.csswg.org/css-color-5/
+    Chris Lilley; Una Kravets; Lea Verou. ＜CSS Color Module Level 5＞. URL: https://drafts.csswg.org/css-color-5/
 [CSS-IMAGES-4]
     Elika Etemad; Tab Atkins Jr.; Lea Verou. ＜CSS Images Module Level 4＞. URL: https://drafts.csswg.org/css-images-4/
 [CSS-TRANSITIONS-1]