Exclude last_changed when same as last_updated for history websocket api

[bdraco]

Proposed change

Suggested here #71843 (review)

• The last_changed (lc) field is no longer sent
  when its the same as the last_updated (lu) field

Not a breaking change since the history websocket api is only in dev

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• Dependency upgrade
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[probot-home-assistant]

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

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

Works great.

Updated the frontend PR as well home-assistant/frontend#12662