Build fails on JDK 26-ea #1281

[INFO] Compiling 48 source files to /home/runner/work/google-java-format/google-java-format/core/target/classes
[INFO] -------------------------------------------------------------
Error:  COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
Error:  /home/runner/work/google-java-format/google-java-format/core/src/main/java/com/google/googlejavaformat/java/JavaFormatterOptions.java: An unhandled exception was thrown by the Error Prone static analysis plugin.
     Please report this at https://github.com/google/error-prone/issues/new and include the following:
  
     error-prone version: 2.40.0
     BugPattern: (see stack trace)
     Stack Trace:
     java.lang.NoClassDefFoundError: com/sun/tools/javac/code/Flags$Flag
  	at com.google.errorprone.bugpatterns.UnsafeFinalization.matchMethodInvocation(UnsafeFinalization.java:62)
  	at com.google.errorprone.scanner.ErrorProneScanner.processMatchers(ErrorProneScanner.java:509)
  	at com.google.errorprone.scanner.ErrorProneScanner.visitMethodInvocation(ErrorProneScanner.java:824)
  	at com.google.errorprone.scanner.ErrorProneScanner.visitMethodInvocation(ErrorProneScanner.java:170)
  	at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1885)
  	at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92)
  	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74)
...
    Caused by: java.lang.ClassNotFoundException: com.sun.tools.javac.code.Flags$Flag
    	at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:377)
    	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:558)
    	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:491)
    	... 103 more