update AWS DynamoDB CRDs

[calebhansard]

Generated with:

git clone https://github.com/aws-controllers-k8s/dynamodb-controller --depth 1 --branch v1.2.15 && \
  export FILENAME_FORMAT="{fullgroup}__{kind}_{version}" && \
  kubectl kustomize dynamodb-controller/config/crd/ > crd.yaml && \
  curl -s https://raw.githubusercontent.com/yannh/kubeconform/master/scripts/openapi2jsonschema.py | \
  python3 /dev/stdin crd.yaml | \
  awk '{ print $(NF) }' | \
  xargs -I {} sh -c 'f=$0; mkdir -p $(dirname $(echo $f | sed "s|__|/|")) && \
  mv $f $(echo $f | sed "s|__|/|")' '{}' && \
  rm crd.yaml && \
  rm -rf dynamodb-controller