Fix Timer start service call since duration parameter is being deprecated

[roblamoreaux]

Breaking change

None

Proposed change

HA has announced that the duration parameter of the timer start service is being deprecated. This change uses timer.change to set the timer duration then timer.start to start the timer.

Type of change

Fixed deprecated timer call that will no longer work in a couple month, causing it to break.

• [ ] Dependency upgrade
• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (which adds functionality)
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [ ] Code quality improvements to existing code or addition of tests
• [X] fix for future change in HA that will break current code.

Additional information

• This PR fixes or closes issue: fixes #339
• This PR is related to issue:

[firstof9]

Have you tested the changes on your system already?

[roblamoreaux]

Yes, I have had this change running on my HA for the last few days with no warnings and it works fine.

[firstof9]

Thanks!