Update docker.io/redocly/cli Docker tag to v1.16.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
docker.io/redocly/cli	final	minor	1.15.0 -> 1.16.0

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Release Notes

Redocly/redocly-cli (docker.io/redocly/cli)

### [`v1.16.0`](https://togithub.com/Redocly/redocly-cli/releases/tag/%40redocly/cli%401.16.0) ##### Minor Changes - Users can run the CLI tool behind a proxy by using `HTTP_PROXY` or `HTTPS_PROXY` environment variables to configure the proxy settings. ##### Patch Changes - Updated [@​redocly/openapi-core](https://togithub.com/redocly/openapi-core) to v1.16.0.

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Configuration

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