Fix broken ARM template link in TOC.yml

[adrianwyatt]

Updated /azure/templates/microsoft.web/2018-11-01/sites/functions to /azure/templates/microsoft.web/2022-03-01/sites/functions to fix 404 when clicking on ARM template API reference link.

[prmerger-automator[bot]]

@adrianwyatt : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[opbld32]

Learn Build status updates of commit eaa2d9e:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
articles/azure-functions/TOC.yml	:white_check_mark:Succeeded

For more details, please refer to the build report.

Note: Broken links written as relative paths are included in the above build report. For broken links written as absolute paths or external URLs, see the broken link report.

For any questions, please:

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• Post your question in the Learn support channel

[prmerger-automator[bot]]

PRMerger Results

Issue	Description
Yaml File(s)	This PR includes changes to .yml file(s) owned by another author.

[Court72]

@ggailey777

Can you review the proposed changes? IMPORTANT: When the changes are ready for publication, add a #sign-off comment to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged" @MicrosoftDocs/public-repo-pr-review-team

[ggailey777]

@adrianwyatt thanks for providing a fix here. It looks like someone has already merged your same fix in a different PR, so I won't be able to merge this one. Please don't hesitate to submit again in the future. #please-close