Add calories to energy sensor device class

[dudanov]

Proposed change

Discuss of this change.
This PR is the first one that adds calories to the energy class.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:
• Link to documentation pull request: Add calories energy units home-assistant.io#34013
• Link to dev docs pull request: Add calories units developers.home-assistant#2262

Checklist

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist
• I have followed the perfect PR recommendations
• The code has been formatted using Ruff (ruff format homeassistant tests)
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

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

• The manifest file has all fields filled out correctly.
  Updated and included derived files by running: python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt.
  Updated by running python3 -m script.gen_requirements_all.
• For the updated dependencies - a link to the changelog, or at minimum a diff between library versions is added to the PR description.

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• I have reviewed two other open pull requests in this repository.

[home-assistant]

Hey there @home-assistant/core, mind taking a look at this pull request as it has been labeled with an integration (sensor) you are listed as a code owner for? Thanks!

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[edenhaus]

The tests are failing. Can you please give it a look and fix it?

[dudanov]

The tests are failing. Can you please give it a look and fix it?

Done! All tests passed in dev container.

[dudanov]

mypy fails due to no fault of my own.

[home-assistant]

Please take a look at the requested changes, and use the Ready for review button when you are done, thanks 👍

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[dudanov]

@edenhaus hi. could you please re-review? I seem to have done everything as required, local tests passed.

[emontnemery]

Thanks, @dudanov

Stale

[emontnemery]

There are some test failures which I believe are unrelated. I've updated the PR branch to let the tests run again just in case though.

[emontnemery]

Trying again to retrigger the tests

[emontnemery]

Test failures are related to Python package cache issue, I'm merging this PR

[dudanov]

Thanks, @emontnemery.
Can you please pay your attention to this last PR?