Update dependency azure-pipelines-tasks-azure-arm-rest to ^3.248.0

[jessehouwing]

This PR contains the following updates:

Package	Type	Update	Change
azure-pipelines-tasks-azure-arm-rest	dependencies	minor	^3.246.5 -> ^3.248.0

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Release Notes

Microsoft/azure-pipelines-tasks (azure-pipelines-tasks-azure-arm-rest)

### [`v3.248.0`](https://redirect.github.com/Microsoft/azure-pipelines-tasks/compare/97f98c725023bfe5a87ac0da3f524355176920d4...1a85babc3fcdfe52f2615247f0d088719d98037e) [Compare Source](https://redirect.github.com/Microsoft/azure-pipelines-tasks/compare/97f98c725023bfe5a87ac0da3f524355176920d4...1a85babc3fcdfe52f2615247f0d088719d98037e)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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