build: use latest hilla version

Author: mlopezFC

pom.xml

@@ -10,7 +10,7 @@
 
     <properties>
         <vaadin.version>23.0.9</vaadin.version>
-        <hilla.version>1.0.1</hilla.version>
+        <hilla.version>1.0.9</hilla.version>
 
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>