Enable the switch recipes as part of the Java 21 migration (#878)

* Enable the switch recipes as part of the Java 21 migration

* Comment out IfElseIfConstructToSwitch migration

Comment out the IfElseIfConstructToSwitch migration due to issues with non JDK types.

Author: timtebeek

src/main/resources/META-INF/rewrite/java-version-21.yml

@@ -42,10 +42,9 @@ recipeList:
   - org.openrewrite.java.migrate.lang.SwitchCaseAssignmentsToSwitchExpression
   - org.openrewrite.java.migrate.lang.SwitchCaseReturnsToSwitchExpression
   - org.openrewrite.java.migrate.lang.SwitchExpressionYieldToArrow
-  # TODO Reevaluate when these recipes are stable enough to be included by default
-  #- org.openrewrite.java.migrate.lang.IfElseIfConstructToSwitch
-  #- org.openrewrite.java.migrate.SwitchPatternMatching
-  #- org.openrewrite.java.migrate.lang.NullCheckAsSwitchCase
+  #- org.openrewrite.java.migrate.lang.IfElseIfConstructToSwitch # FIXME `casecase` seen near non JDK types
+  - org.openrewrite.java.migrate.SwitchPatternMatching
+  - org.openrewrite.java.migrate.lang.NullCheckAsSwitchCase
 
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 type: specs.openrewrite.org/v1beta/recipe