Use rewrite-java-25 test runtime, revert preview-feature unnamed lambda parameters

`_` unnamed variables are still a preview feature when compiled
without `--enable-preview`, so the recipe-best-practices run that
introduced `_ ->` broke `compileTestJava`. Revert those two lambda
parameters back to `cu ->` and bump the test runtime parser to
rewrite-java-25.

Author: timtebeek

build.gradle.kts

@@ -41,7 +41,7 @@ dependencies {
 
     testImplementation("com.google.code.gson:gson:latest.release")
 
-    testRuntimeOnly("org.openrewrite:rewrite-java-21")
+    testRuntimeOnly("org.openrewrite:rewrite-java-25")
     testRuntimeOnly("com.google.code.findbugs:jsr305:latest.release")
 }
 

src/test/java/org/openrewrite/staticanalysis/RenameLocalVariablesToCamelCaseTest.java

@@ -325,7 +325,7 @@ public int testFoo() {
     @Test
     void recordCompactConstructor() {
         rewriteRun(
-          spec -> spec.beforeRecipe(_ -> {
+          spec -> spec.beforeRecipe(cu -> {
               var javaRuntimeVersion = System.getProperty("java.runtime.version");
               var javaVendor = System.getProperty("java.vm.vendor");
               if (new JavaVersion(UUID.randomUUID(), javaRuntimeVersion, javaVendor, javaRuntimeVersion, javaRuntimeVersion).getMajorVersion() != 17) {

src/test/java/org/openrewrite/staticanalysis/RenamePrivateFieldsToCamelCaseTest.java

@@ -562,7 +562,7 @@ public boolean method() {
     @Test
     void recordCompactConstructor() {
         rewriteRun(
-          spec -> spec.beforeRecipe(_ -> {
+          spec -> spec.beforeRecipe(cu -> {
               var javaRuntimeVersion = System.getProperty("java.runtime.version");
               var javaVendor = System.getProperty("java.vm.vendor");
               if (new JavaVersion(UUID.randomUUID(), javaRuntimeVersion, javaVendor, javaRuntimeVersion, javaRuntimeVersion).getMajorVersion() != 17) {