Fix auto triggered packaging builds (#39291)

PR#39263 introduced a bug causing on packaging DRA
builds to be triggered.

This commit fixes the issue and also allowed
triggered builds for `8.14`

catalog-info.yaml

@@ -1040,16 +1040,19 @@ spec:
  spec:
  repository: elastic/beats
  pipeline_file: ".buildkite/packaging.pipeline.yml"
- branch_configuration: "main"
+ branch_configuration: "main 8.14"
  # TODO enable after packaging backports for release branches
  # branch_configuration: "main 8.* 7.17"
  cancel_intermediate_builds: false
  skip_intermediate_builds: false
  provider_settings:
- build_branches: false
+ build_branches: true
  build_pull_request_forks: false
  build_pull_requests: false
  build_tags: false
+ filter_condition: >-
+ build.branch =~ /^[0-9]+\.[0-9]+$$/ || build.branch == "main"
+ filter_enabled: true
  trigger_mode: code
  env:
  ELASTIC_SLACK_NOTIFICATIONS_ENABLED: 'true'