Update build-ssp.container.yaml

Author: pmeulen

.github/workflows/build-ssp.container.yaml

@@ -29,7 +29,7 @@ jobs:
           if [ -n "${GITHUB_TAG}" ]; then
               echo "version=${GITHUB_TAG}" >> $GITHUB_OUTPUT
           else
-              echo "version=${GITHUB_SHA}" >> $GITHUB_OUTPUT
+              echo "version=${{ github.sha }}" >> $GITHUB_OUTPUT
           fi
         shell: bash