feat: initial snapshot testing

Author: MacMur85

.github/workflows/stage-3-build-images.yaml

@@ -255,10 +255,11 @@ jobs:
           docker rmi ${PROJECT_NAME}-${function}:latest
 
       - name: Upload docker image as an artifact
+        working-directory: ${{ steps.get-function-names.outputs.DOCKER_COMPOSE_DIR }}
         uses: actions/upload-artifact@v4
         with:
           name: "${PROJECT_NAME}-${function}.tar"
-          path: ${{ steps.get-function-names.outputs.DOCKER_COMPOSE_DIR }}/"${PROJECT_NAME}-${function}.tar"
+          path: "${PROJECT_NAME}-${function}.tar"
 
       - name: Compress SBOM report
         shell: bash