Fix missing historical context data in logbook for MySQL and PostgreSQL

[bdraco]

Proposed change

• sqlalchemy's JSON implementation always wraps the result in JSON_QUOTE
  for text, but when matching on MySQL or PostgreSQL we need to check
  for NULL

Only happens when you set up a logbook and/or recorder filter.

Found while working on #72963

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• Dependency upgrade
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• This PR fixes or closes issue: fixes #
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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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