Merge pull request #13462 from dotty-staging/patch-tasty-3.1.0-RC2

patch TASTy version to 28.1-2

Author: bishabosha

tasty/src/dotty/tools/tasty/TastyFormat.scala

@@ -285,7 +285,7 @@ object TastyFormat {
    *  compatibility, but remains backwards compatible, with all
    *  preceeding `MinorVersion`.
    */
-  final val MinorVersion: Int = 2
+  final val MinorVersion: Int = 1
 
   /** Natural Number. The `ExperimentalVersion` allows for
    *  experimentation with changes to TASTy without committing
@@ -301,7 +301,7 @@ object TastyFormat {
    *  is able to read final TASTy documents if the file's
    *  `MinorVersion` is strictly less than the current value.
    */
-  final val ExperimentalVersion: Int = 1
+  final val ExperimentalVersion: Int = 2
 
   /**This method implements a binary relation (`<:<`) between two TASTy versions.
    *