[Bug][a11y]: Card action menu button should have label

[majornista]

trafficstars

Code of conduct

• [X] I agree to follow this project's code of conduct.

Impacted component(s)

Card

Expected behavior

No response

Actual behavior

In the Card documentation and storybook examples that include an action menu, the sp-action-menu should have a label attribute, or if not, a default label should be provided.

See: https://github.com/adobe/spectrum-web-components/blob/8eb28c866c960b2cf27930cc1eab8f96e2c057d9/packages/card/README.md?plain=1#L110-L118 or https://github.com/adobe/spectrum-web-components/blob/8eb28c866c960b2cf27930cc1eab8f96e2c057d9/packages/card/README.md?plain=1#L184-L192

Screenshots

No response

What browsers are you seeing the problem in?

No response

How can we reproduce this issue?

1. Go to '...'
2. Click on '....'
3. Scroll to '....'
4. Check console
5. See error

Sample code that illustrates the problem

No response

Logs taken while reproducing problem

No response