Release Scala API docs for 3.8.1 (#3269)

* Release Scala API docs for 3.8.1

* Fix failing build due to missing attribute in the scala3-book/string-interpolation

Author: WojciechMazur

_config.yml

@@ -17,7 +17,7 @@ keywords:
 
 scala-version: 2.13.18
 scala-212-version: 2.12.21
-scala-3-version: 3.8.0
+scala-3-version: 3.8.1
 
 collections:
   style:

_overviews/scala3-book/string-interpolation.md

@@ -369,7 +369,7 @@ expansion, executing SQL queries, magic `$"identifier"` representations, and man
 ### Pattern Matching
 
 It is also possible to use string interpolation in patterns, for both built-in and user-defined interpolators:
-{% tabs example-pat-match %}
+{% tabs example-pat-match class=tabs-scala-version %}
 
 {% tab 'Scala 2' for=example-pat-match %}
 ```scala

api/all.md

@@ -64,6 +64,8 @@ https://scala-ci.typesafe.com/artifactory/scala-integration/org/scala-lang/
 
 ## Previous releases
 
+* Scala 3.8.0
+  * [Library API](https://www.scala-lang.org/api/3.8.0/)
 * Scala 3.7.4
   * [Library API](https://www.scala-lang.org/api/3.7.4/)
 * Scala 3.7.3