Fix link to GCP upload in build scans (elastic#48248)

* Fix link to GCP upload in build scans

Also changed the name of the link to make it less confusing

* Change the name

Author: alpar-t

gradle/build-scan.gradle

@@ -19,8 +19,8 @@ buildScan {
         tag 'CI'
         tag System.getenv('JOB_NAME')
         link 'Jenkins Build', System.getenv('BUILD_URL')
-        link 'GCP Upload',
-                "https://console.cloud.google.com/storage/elasticsearch-ci-artifacts/jobs/${jobName}/${buildNumber}.tar.bz2"
+        link 'Additional Logs',
+                "https://console.cloud.google.com/storage/elasticsearch-ci-artifacts/jobs/${jobName}/build/${buildNumber}.tar.bz2"
         System.getenv('NODE_LABELS').split(' ').each {
             value 'Jenkins Worker Label', it
         }