Release 1.8.1

patch release 1.8.1 to cherry-pick fix for gitlab-runners postRender
original issue
https://repo1.dso.mil/platform-one/big-bang/bigbang/-/issues/529
commit to cherry-pick https://repo1.dso.mil/platform-one/big-bang/bigbang/-/commit/966428c58f6fd5021a9a503431a65adabed050a9