CD: Use peeled commit id for annotated tags

For annotated tags newObjectId is the ObjectId of the tag itself
and not the ObjectId of the referenced commit.
In case of annotated tags peel the reference to get the ObjectId
of the commit when looking up corresponding SCS.

Solves: Jira GER-1566
Change-Id: I4bf689e49459d580d8f4a64c4014283870fd276b
6 files changed
tree: d0f979895a33dfd1ea874aeb3424daf2d666b88d
  1. src/
  2. BUILD
  3. external_plugin_deps.bzl