fix(workflows): incorrect target sha when tagging in release

.github/workflows/release-draft.yml

@@ -49,9 +49,9 @@ jobs:
         # the SHA from the third commit (i.e. Auto PR from master to develop) will be taken
         # else HEAD will be taken
         run: |
-          TARGET_SHA=$(git rev-parse HEAD~2)
+          TARGET_SHA=$(git rev-list -n 3 HEAD | tail -1)
           if [[ ${{ github.event.inputs.tagHeadSHA || inputs.tagHeadSHA }} == "Y" ]]; then
-            TARGET_SHA=$(git rev-parse HEAD)
+            TARGET_SHA=$(git rev-list -n 1 HEAD | tail -1)
           fi
           echo "::set-output name=TARGET_SHA::${TARGET_SHA}"
           echo "Setting TARGET_SHA: ${TARGET_SHA}"