title: Unknown property 'config' for extension lombok
body: <p>After upgrading lombok plugin, custom config is not working and facing below error.</p>
  <p><strong>Error</strong></p>
  <pre><code>Could not get unknown property 'config' for extension 'lombok' of type io.freefair.gradle.plugins.lombok.LombokExtension
  </code></pre>
  <p><strong>build.xml</strong> <br/></p>
  <pre><code>buildscript {&lt;br/&gt;
     repositories { ... } &lt;br/&gt;
     dependencies {
        classpath 'io.freefair.gradle:lombok-plugin:6.5.0.3'
     }
  }
  allprojects {
     apply plugin: 'io.freefair.lombok'
     lombok.config['lombok.log.custom.declaration'] = 'com.example.log.Logger com.example.log.Logger.getLogger(TYPE)(TOPIC)'
  }
  </code></pre>
  <p><strong>Build is configured with below details</strong></p>
  <blockquote>
  <p>Java17 <br/>
  lombok-plugin 6.5.0.3 <br/>
  Gradle 7.4.2</p>
  </blockquote>