Update dependency com.launchdarkly:launchdarkly-java-server-sdk to v7

Author: renovate[bot]

build.gradle

@@ -388,7 +388,7 @@ dependencies {
 
   implementation group: 'com.google.guava', name: 'guava', version: '33.4.0-jre'
   implementation group: 'jakarta.el', name: 'jakarta.el-api', version: '6.0.1'
-  implementation group: 'com.launchdarkly', name: 'launchdarkly-java-server-sdk', version: '6.2.1'
+  implementation group: 'com.launchdarkly', name: 'launchdarkly-java-server-sdk', version: '7.7.0'
 
   implementation group: 'com.microsoft.azure', name: 'applicationinsights-core', version: '3.6.2'
   implementation group: 'com.microsoft.azure', name: 'applicationinsights-runtime-attach', version: '3.6.2'