Bump ecj from 3.29.0 to 3.30.0

Bumps [ecj](https://github.com/eclipse-jdt/eclipse.jdt.core) from 3.29.0 to 3.30.0.
- [Release notes](https://github.com/eclipse-jdt/eclipse.jdt.core/releases)
- [Commits](https://github.com/eclipse-jdt/eclipse.jdt.core/commits)

---
updated-dependencies:
- dependency-name: org.eclipse.jdt:ecj
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -475,7 +475,7 @@
                 is outdated and leads to compilation errors.
          -->
         <version.org.codehaus.plexus.plexus-compiler.compiler-eclipse>2.12.0</version.org.codehaus.plexus.plexus-compiler.compiler-eclipse>
-        <version.org.eclipse.jdt.ecj>3.29.0</version.org.eclipse.jdt.ecj>
+        <version.org.eclipse.jdt.ecj>3.30.0</version.org.eclipse.jdt.ecj>
 
         <!--
             The absolute path to the root project directory.