Update org.eclipse.jdt:ecj to 3.28.0

Change-Id: I7573d8cfd07038bca4a7ed9e122e5dcf666632f8
diff --git a/pom.xml b/pom.xml
index 1909ce6..e1a5a15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -853,7 +853,7 @@
               <dependency>
                 <groupId>org.eclipse.jdt</groupId>
                 <artifactId>ecj</artifactId>
-                <version>3.27.0</version>
+                <version>3.28.0</version>
               </dependency>
             </dependencies>
           </plugin>