[jrubyscripting] Implement AutoCloseable on JRubyEngineWrapper (#18560)

This now possible since JRuby 10 implements it.

Signed-off-by: Cody Cutrer <cody@cutrer.us>

bundles/org.openhab.automation.jrubyscripting/src/main/java/org/openhab/automation/jrubyscripting/internal/JRubyEngineWrapper.java

@@ -35,7 +35,7 @@ import org.jruby.embed.jsr223.JRubyEngine;
  * @author Jimmy Tanagra - Initial contribution
  */
 @NonNullByDefault
-public class JRubyEngineWrapper implements Invocable, ScriptEngine {
+public class JRubyEngineWrapper implements Invocable, ScriptEngine, AutoCloseable {
     // Don't implement Compilable because there is a bug
     // in JRuby's compiled scripts: https://github.com/jruby/jruby/issues/8346
 
@@ -205,4 +205,9 @@ public class JRubyEngineWrapper implements Invocable, ScriptEngine {
     public <T> T getInterface(@Nullable Object receiver, @Nullable Class<T> returnType) {
         return engine.getInterface(receiver, returnType);
     }
+
+    @Override
+    public void close() {
+        engine.close();
+    }
 }