[jsscripting] Signal pre-compilation support

Signed-off-by: Florian Hotze <[email protected]>

Author: florian-h05

bundles/org.openhab.automation.jsscripting/src/main/java/org/openhab/automation/jsscripting/internal/GraalJSScriptEngineFactory.java

@@ -91,6 +91,11 @@ public void scopeValues(ScriptEngine scriptEngine, Map<String, Object> scopeValu
                 injectionCachingEnabled, jsScriptServiceUtil, jsDependencyTracker));
     }
 
+    @Override
+    public boolean supportsPreCompilation() {
+        return true;
+    }
+
     @Override
     public @Nullable ScriptDependencyTracker getDependencyTracker() {
         return jsDependencyTracker;