Add Nest preset that is both away and eco

[balloob]

Description:

Add a new preset for Nest to be away and in eco mode.

Related issue (if applicable): fixes #25427

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the [development checklist][dev-checklist]

If the code communicates with devices, web services, or third-party tools:

• [The manifest file][manifest-docs] has all fields filled out correctly. Update and include derived files by running python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt by running python3 -m script.gen_requirements_all.
• Untested files have been added to .coveragerc.

[ghost]

Hey there @awarecan, mind taking a look at this pull request as its been labeled with a integration (nest) you are listed as a codeowner for? Thanks!

This is a automatic comment generated by codeowners-mention to help ensure issues and pull requests are seen by the right people.

[andrewsayre]

Seems hacky, but it works and fits our schema.