refactor: Use JavaParser.Builder when constructing JavaTemplate

Co-authored-by: Moderne <team@moderne.io>

Author: jkschneider

src/main/java/org/openrewrite/java/migrate/lombok/LombokValToFinalVar.java

@@ -82,7 +82,7 @@ public J.VariableDeclarations visitVariableDeclarations(J.VariableDeclarations m
                 }
                 varDecls = mv.withTemplate(
                         JavaTemplate.builder(this::getCursor, finalVarVariableTemplateString)
-                                .javaParser(() -> JavaParser.fromJavaVersion().build())
+                                .javaParser(JavaParser.fromJavaVersion())
                                 .build(),
                         varDecls.getCoordinates().replace(), args);