Bump gcal_sync to 4.0.0

[allenporter]

Proposed change

Bump gcal_sync to 4.0.0 to fix a bug in how recurring events are expanded with respect to timezones, impacting DST.

• Fixes some recurring event expansion rules based on underlying issues in dateutil.rrule that does not handle parameters correctly
• Fixes handling of timezones returned from the API when used as recurrence rule start times to handle things like dst transitions
• There are additional changes in gcal_sync, for more future looking efforts (writable calendar) that included more stricly enforcing required fields like accessRole in the API responses, and some google tests also needed to be updated. I was maintaining patch releases with minor updates, but the rewrite for recurring event expansion bugs was large enough it didn't seem worth it anymore since it included a breaking change.

Changelog: allenporter/gcal_sync@2.2.3...4.0.0

Type of change

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

Additional information

• This PR fixes or closes issue:
  • fixes After upgrade to 2022.11.1 google calendar starttime is an hour earlier #81527
  • fixes 1 out of 5 Google Calendars has become Unavailable #81568
  • fixes Error fetching Google Calendar data: Invalid recurrence rule #81500
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
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• Tests have been added to verify that the new code works.

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To help with the load of incoming pull requests:

• I have reviewed two other open pull requests in this repository.

[MartinHjelmare]

There are test failures.

[allenporter]

Re-running with fixes. I've updated the PR description with the other changes in gcal_sync included, and re-ran local testing.