Include removal of illegal semicolons in the Java 21 migration.

They were a warning before but became a failure in 21, so it makes sense to include in the migration.

Author: sambsnyd

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

@@ -47,6 +47,7 @@ recipeList:
   - org.openrewrite.java.migrate.lang.SwitchCaseReturnsToSwitchExpression
   - org.openrewrite.java.migrate.lang.SwitchExpressionYieldToArrow
   - org.openrewrite.java.migrate.SwitchPatternMatching
+  - org.openrewrite.java.migrate.RemoveIllegalSemicolons
 
 ---
 type: specs.openrewrite.org/v1beta/recipe
@@ -81,7 +82,7 @@ recipeList:
   - org.openrewrite.java.dependencies.UpgradeDependencyVersion:
       groupId: com.google.guava
       artifactId: guava
-      newVersion: 29.0
+      newVersion: "29.0"
       versionPattern: -jre
   - org.openrewrite.java.dependencies.UpgradeDependencyVersion:
       groupId: net.bytebuddy