[css-text-decor-4] update the name of the new `text-decoration-skip-i…

…nk` value to `all`

reflect the resolution on w3c#4277 (comment)

issue: w3c#4277

css-text-decor-4/Overview.bs

@@ -1032,7 +1032,7 @@ Skipping Glyphs: the 'text-decoration-skip-ink' property</h4>
 
 	<pre class="propdef">
 	Name: text-decoration-skip-ink
-	Value: auto | none | always
+	Value: auto | none | all
 	Initial: ''auto''
 	Applies to: all elements
 	Inherited: yes
@@ -1077,7 +1077,7 @@ Skipping Glyphs: the 'text-decoration-skip-ink' property</h4>
 			where the line would cross glyph ink
 			and to some distance to either side of the glyph outline.
 
-		<dt><dfn value for="text-decoration-skip-ink">always</dfn></dt>
+		<dt><dfn value for="text-decoration-skip-ink">all</dfn></dt>
 		<dd>
 			UAs <em>must</em> interrupt underlines and overlines
 			where the line would cross glyph ink