Add picture upload component

[balloob]

Breaking change

Proposed change

Add a new picture upload component. Requires home-assistant/core#38969

To do:

• styling
• clear picture button
• fire change event
• Use it somewhere (person integration)

<ha-picture-upload .hass=${this.hass}></ha-picture-upload>

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:
• 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

[zsarnett]

Lokalize?

[zsarnett]

Should we set a minimum dimension on the crop?

[bramkragten]

Should we set a minimum dimension on the crop?

I don't think we can do that in cropperjs, and not sure if that is needed...