Merge pull request #11207 from Jasper-M/patch-2

Update link to Scala 3 book

Author: nicolasstucki

scala3doc/scala3-docs/index.html

@@ -96,7 +96,7 @@ <h1 id="documentation">Learn more about Scala 3</h1>
       <p>You can find much more information about Scala 3 in ...</p>
       <ul>
         <li>... the <a href="https://docs.scala-lang.org/scala3/">Scala 3 documentation</a>,</li>
-        <li>... the <a href="https://docs.scala-lang.org/scala3/scala3-book">Scala 3 book</a>,</li>
+        <li>... the <a href="https://docs.scala-lang.org/scala3/book/introduction.html">Scala 3 book</a>,</li>
         <li>... the <a href="docs/index.html">Scala 3 reference docs</a>,</li>
         <li>... the <a href="https://docs.scala-lang.org/scala3/guides.html">Scala 3 guides</a>.</li>
       </ul>