chore: Update ice4j (#2258)

* fix: Fail early if IMDS returns an error. (jitsi/ice4j#298)
  * Add IMDSv2 support to AwsCandidateHarvester and replace URLConnectionn with HttpRequest (jitsi/ice4j#297)
  * Add Java 21 to GitHub testing matrix (jitsi/ice4j#296)

Author: bgrozev

pom.xml

@@ -116,7 +116,7 @@
             <dependency>
                 <groupId>${project.groupId}</groupId>
                 <artifactId>ice4j</artifactId>
-                <version>3.2-4-g1373788</version>
+                <version>3.2-7-g4f13296</version>
             </dependency>
             <dependency>
                 <groupId>${project.groupId}</groupId>