*   Updates `sqlite3` to `3.33.00` to handle
    [CVE-2020-15358](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15358).
*   Fixes deprecated usage of `collections` API
*   Removes `scipy` dependency from `setup.py` since TensorFlow does not need it
    to install the pip package

# Release 2.2.1

## Bug Fixes and Other Changes

 - Direct Server Return (DSR) mode support, allowing large numbers of services to scale up efficiently
 - Windows containers  now honor CPU limits
 - Performance improvements for collections of metrics and summary

### Increase the Kubernetes support window to one year

As of Kubernetes 1.19, bugfix support via patch releases for a Kubernetes minor release has increased from 9 months to 1 year.

      name: Age
      type: date
    name: v1
    schema:
      openAPIV3Schema:
        properties:
          spec:
            description: 'Describes a collection of workload instances. See more details
              at: https://istio.io/docs/reference/config/networking/workload-group.html'
            properties:
              metadata: