fix: replace src by dest

Author: Sudrut

src/content/docs/cpp/language/functions/function.mdx

@@ -1463,6 +1463,6 @@ The following behavior-changing defect reports were applied retroactively to pre
 
 <DescList>
   <Desc>
-    <DocLink slot="item" src="/c/language/function_declaration"> C documentation</DocLink> for **Declaring functions**
+    <DocLink slot="item" dest="/c/language/function_declaration"> C documentation</DocLink> for **Declaring functions**
   </Desc>
 </DescList>

src/content/docs/cpp/language/functions/variadic_arguments.mdx

@@ -164,9 +164,9 @@ The following behavior-changing defect reports were applied retroactively to pre
 
 <DescList>
   <Desc>
-    <DocLink slot="item" src="/c/language/variadic"> C documentation</DocLink> for **Variadic arguments**
+    <DocLink slot="item" dest="/c/language/variadic"> C documentation</DocLink> for **Variadic arguments**
   </Desc>
   <Desc>
-    <DocLink slot="item" src="/c/language/conversion"> C documentation</DocLink> for **Implicit conversions**
+    <DocLink slot="item" dest="/c/language/conversion"> C documentation</DocLink> for **Implicit conversions**
   </Desc>
 </DescList>