Fix local CI building from a specific commit (#1083)

* Allows building from a commit and not the head of a branch. Specifically allow running from a detached commit like a release tag.

Authors:
  - David Gardner (https://github.com/dagardner-nv)

Approvers:
  - Michael Demoret (https://github.com/mdemoret-nv)

URL: #1083

ci/scripts/bootstrap_local_ci.sh

@@ -20,6 +20,7 @@ git clone ${GIT_URL} Morpheus
 cd Morpheus/
 git checkout ${GIT_BRANCH}
 git pull
+git checkout ${GIT_COMMIT}
 
 export MORPHEUS_ROOT=$(pwd)
 export WORKSPACE=${MORPHEUS_ROOT}