Reintroduce backup switch when updating core and addons

[piitaya]

Proposed change

Core PR:

• Update hassio to use the backup integration to make backups before update core#136235

Re-introduce the backup switch when updating core or an addon :

• in the more info
• in the addon page

Trigger automatic backup when updating core

Create "add-on" backup when updating add-on (more info)

Create "add-on" backup when updating add-on (add-on page)

Type of change

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

Example configuration

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue or discussion:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• 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

[MartinHjelmare]

Core PR is approved.