fix: disable attestations

Author: nicoalonsop

src/scripts/docker_buildx.sh

@@ -13,6 +13,7 @@ AWS_ECR_EVAL_DOCKERFILE="$(eval echo "${AWS_ECR_STR_DOCKERFILE}")"
 AWS_ECR_EVAL_PROFILE_NAME="$(eval echo "${AWS_ECR_STR_PROFILE_NAME}")"
 AWS_ECR_EVAL_PLATFORM="$(eval echo "${AWS_ECR_STR_PLATFORM}")"
 AWS_ECR_EVAL_LIFECYCLE_POLICY_PATH="$(eval echo "${AWS_ECR_STR_LIFECYCLE_POLICY_PATH}")"
+BUILDX_NO_DEFAULT_ATTESTATIONS=1
 
 
 if [ -n "${AWS_ECR_STR_EXTRA_BUILD_ARGS}" ]; then