bump langchain4g to 1.9.0-beta16

Signed-off-by: Dmitrii Tikhomirov <chani.liet@gmail.com>

Author: treblereel

pom.xml

@@ -93,7 +93,7 @@
         <version.org.hibernate.validator>9.1.0.Final</version.org.hibernate.validator>
         <version.org.glassfish.expressly>6.0.0</version.org.glassfish.expressly>
         <!-- Experimental modules from langchain4j -->
-        <version.dev.langchain4j.beta>1.8.0-beta15</version.dev.langchain4j.beta>
+        <version.dev.langchain4j.beta>1.9.0-beta16</version.dev.langchain4j.beta>
         <!-- Base langchain4j version -->
         <version.dev.langchain4j>1.8.0</version.dev.langchain4j>
         <!-- Swagger Parser -->