Increase gardena_bluetooth timeout and disconnect delay

[alistair23]

Proposed change

Increase the disconnect delay and the timeout for the Gardena water computer. As discussed at:
#103117 this greatly improves the reliability of the device.

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:
• This PR is related to issue: Gardena Bluetooth Irrigation Bluetooth connection is unreliable #103117
• Link to documentation pull request:

Checklist

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[home-assistant]

Hey there @elupus, mind taking a look at this pull request as it has been labeled with an integration (gardena_bluetooth) you are listed as a code owner for? Thanks!

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Stale

[elupus]

This can not be the default. This blocks access to the device from mobile clients. It needs to be an option, something like persistent connection.

[alistair23]

This can not be the default. This blocks access to the device from mobile clients. It needs to be an option, something like persistent connection.

Do you know how to add an option like that?

[github-actions]

There hasn't been any activity on this pull request recently. This pull request has been automatically marked as stale because of that and will be closed if no further activity occurs within 7 days.
If you are the author of this PR, please leave a comment if you want to keep it open. Also, please rebase your PR onto the latest dev branch to ensure that it's up to date with the latest changes.
Thank you for your contribution!