[css-grid-1][css-grid-2][editorial] Fix 'auto' sizing function link in layout-algorithm

Without the 'grid-template-rows' prefix this link points at 'auto' in the context of the grid item placement properties, but like its neighbors it is actually meant to refer to the track sizing function.

Author: citriqa

css-grid-1/Overview.bs

@@ -3799,7 +3799,7 @@ Grid Sizing</h2>
 
 	<ul>
 		<li>A <dfn>fixed sizing function</dfn> (<<length>> or resolvable <<percentage>>).
-		<li>An <dfn>intrinsic sizing function</dfn> (''min-content'', ''max-content'', ''auto'', ''fit-content()'').
+		<li>An <dfn>intrinsic sizing function</dfn> (''min-content'', ''max-content'', ''grid-template-rows/auto'', ''fit-content()'').
 		<li>A <dfn>flexible sizing function</dfn> (<<flex>>).
 	</ul>
 

css-grid-2/Overview.bs

@@ -4345,7 +4345,7 @@ Grid Sizing</h2>
 
 	<ul>
 		<li>A <dfn>fixed sizing function</dfn> (<<length>> or resolvable <<percentage>>).
-		<li>An <dfn>intrinsic sizing function</dfn> (''min-content'', ''max-content'', ''auto'', ''fit-content()'').
+		<li>An <dfn>intrinsic sizing function</dfn> (''min-content'', ''max-content'', ''grid-template-rows/auto'', ''fit-content()'').
 		<li>A <dfn>flexible sizing function</dfn> (<<flex>>).
 	</ul>