Upgrade logback-classic from 1.5.22 to 1.5.26 to fix CVE-2026-1225

Author: prachi-okta

examples/quickstart/pom.xml

@@ -45,7 +45,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.22</version>
+            <version>1.5.26</version>
             <scope>runtime</scope>
         </dependency>
     </dependencies>