Update pipeline-common ref to 1.15.1

Updates pipeline-common ref from 1.15.0 to 1.15.1

Changelog

1.15.1 (2023-01-25)

added (1 change)

• Add Growth stage to dotcom pipelines (merge request)

Commits

pipeline-common@1.15.0...1.15.1

Merge request should be good to merge as long as pipeline for this update passes.

cc: @gl-quality/qe-sub-dept