fix the packetbeat bk pipeline init config (#37706) (#37708)

* fix libbeat bk pipeline init

* fix packetbeat bk pipeline init

(cherry picked from commit 6383c56)

Co-authored-by: sharbuz <87968844+sharbuz@users.noreply.github.com>

catalog-info.yaml

@@ -356,7 +356,7 @@ spec:
       description: "Beats packetbeat pipeline"
     spec:
 #      branch_configuration: "main 7.17 8.* v7.17 v8.*" TODO: temporarily commented to build PRs from forks
-      pipeline_file: ".buildkite/libbeat/pipeline.packetbeat.yml"
+      pipeline_file: ".buildkite/packetbeat/pipeline.packetbeat.yml"
 #      maximum_timeout_in_minutes: 120 TODO: uncomment when pipeline is ready
       provider_settings:
         build_pull_request_forks: false