[Module Proposal]: `avm/res/durable-task/scheduler`

### Check for previous/existing GitHub issues/module proposals

- [x] I have checked for previous/existing GitHub issues/module proposals.

### Check this module doesn't already exist in the module indexes

- [x] I have checked for that this module doesn't already exist in the module indexes.

### Bicep or Terraform?

Bicep

### Module Classification?

Resource Module

### Module Name

avm/res/durable-task/scheduler

### Module Details

A module to represent the new Durable Task Scheduler resource of Azure. https://aka.ms/dts-ga-blog

Azure Resource Reference: https://learn.microsoft.com/en-us/azure/templates/microsoft.durabletask/schedulers?pivots=deployment-language-bicep

### Do you want to be the owner of this module?

No

### Module Owner's GitHub Username (handle)

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### (Optional) Secondary Module Owner's GitHub Username (handle)

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