Add compiler option for errorprone

Author: bertrik

build.gradle

@@ -36,10 +36,16 @@ subprojects {
         }
     }
 
+    // keep current time stamps in tar
     tasks.withType(Tar).configureEach {
         preserveFileTimestamps = true
     }
 
+    // fix or errorprone on java 21
+    tasks.withType(JavaCompile).configureEach {
+        options.compilerArgs += "-XDaddTypeAnnotationsToSymbol=true"
+    }
+
     test {
         useJUnitPlatform()
     }