Update dependency TaskScheduler to 2.12.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
TaskScheduler	2.11.0 -> 2.12.1

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Release Notes

dahall/taskscheduler (TaskScheduler)

v2.12.1: Release Notes - 2.12.1

Added .NET version specific reference to System.Diagnostics.EventLog

v2.12.0: Release Notes - 2.12.0

• Fixed bug introduced by PR #​969 and found in #​990 that mishandles null password and causes access denied in ctor.
• Corrected problem with signed assembly causing AppVeyor build failure
• Updated project headers to use .props file
• Added support for .NET 7, 8, and 9 (9 not supported yet for TaskSchedulerEditor and changed version to 2.12.0.

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