fix(deps): update helidon.version

Author: renovate[bot]

pom.xml

@@ -39,7 +39,7 @@
     <properties>
         <mainClass>no.cantara.tools.visuale.Main</mainClass>
         <slf4j.version>2.0.17</slf4j.version>
-        <helidon.version>2.6.14</helidon.version>
+        <helidon.version>4.4.0</helidon.version>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <maven.compiler.release>11</maven.compiler.release>