chore(deps): update genai sdk to v1.15.0 (#10165)

Co-authored-by: Juan Dominguez <[email protected]>

Author: jdomingr

genai/snippets/pom.xml

@@ -51,7 +51,7 @@
         <dependency>
             <groupId>com.google.genai</groupId>
             <artifactId>google-genai</artifactId>
-            <version>1.10.0</version>
+            <version>1.15.0</version>
         </dependency>
         <dependency>
             <artifactId>junit</artifactId>