update skip after backport of #57397 (#57694)

rest-api-spec/src/main/resources/rest-api-spec/test/search.aggregation/20_terms.yml

@@ -726,8 +726,8 @@ setup:
 ---
 "string profiler":
   - skip:
-      version: " - 7.99.99"
-      reason: debug information added in 8.0.0 (to be backported to 7.9.0)
+      version: " - 7.8.99"
+      reason: debug information added in 7.9.0
   - do:
       bulk:
         index: test_1