Releases emit the tagged version to github.ref (#27)

Author: chris11-taylor-nttd

.github/workflows/release-published.yml

@@ -29,7 +29,7 @@ jobs:
 
     uses: launchbynttdata/launch-workflows/.github/workflows/reusable-terragrunt-deploy.yml@0.2.0
     with:
-      git_branch: ${{ github.head_ref }}
+      git_branch: ${{ github.ref }}
       tf_version: ${{ needs.get-tg-versions.outputs.tf_version }}
       tg_version: ${{ needs.get-tg-versions.outputs.tg_version }}
       environment: ${{ matrix.terragrunt_environment.environment }}