Add optional OpenTelemetry Netty server instrumentation

- Update lys.version to 2026.04.14

- Add optional compileOnly dependency on opentelemetry-netty-4.1 in rbcs-server

- Add runtime guard to only activate instrumentation when OTel classes are on classpath

- Insert OTel combined handler after HttpServerCodec in the Netty pipeline

- Add requires-static JPMS directives for optional module support

- Add enableTelemetry config attribute to rbcs:server with default false

- Update Configuration DTO, XSD schema, Parser, Serializer, and all tests

rbcs-servlet/bin/main/META-INF/beans.xml

@@ -0,0 +1,5 @@
+<beans xmlns="https://jakarta.ee/xml/ns/jakartaee"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/beans_4_0.xsd"
+       version="4.0">
+</beans>

rbcs-servlet/bin/main/META-INF/context.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Context antiJARLocking="true">
+    <Resource name="BeanManager"
+              auth="Container"
+              type="javax.enterprise.inject.spi.BeanManager"
+              factory="org.jboss.weld.resources.ManagerObjectFactory"/>
+</Context>