chore(main): release launchdarkly-java-server-sdk 7.8.0#53

jsonbailey merged 1 commit intomainlaunchdarkly/java-core:mainfrom

release-please--branches--main--components--launchdarkly-java-server-sdklaunchdarkly/java-core:release-please--branches--main--components--launchdarkly-java-server-sdkCopy head branch name to clipboard