Add support for tabular functions to azurerm_log_analytics_saved_search

[areve]

Tabular functions are supported by Azure but this validator did not allow them to be added as parameters.

The following parameter definitions are valid

a:string = value
a:guid
a:bool = false
T:( * )
T:(*) = value
T:(aaa:string) = value
T:(aaa:string, foo:int)
c:dynamic
b:string = 'foo'
T2:(aaa:real)
real1:real
T2:(aaa:real, bbb:real) = value
b:string = 'fo\'o'
T:(*)

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Description

PR Checklist

• I have followed the guidelines in our Contributing Documentation.
• I have checked to ensure there aren't other open Pull Requests for the same update/change.
• I have checked if my changes close any open issues. If so please include appropriate closing keywords below.
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  For example: “resource_name_here - description of change e.g. adding property new_property_name_here”

Changes to existing Resource / Data Source

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Testing

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Change Log

Below please provide what should go into the changelog (if anything) conforming to the Changelog Format documented here.

• azurerm_resource - support for the thing1 property [GH-00000]

This is a (please select all that apply):

• Bug Fix
• New Feature (ie adding a service, resource, or data source)
• Enhancement
• Breaking Change

Related Issue(s)

Fixes #0000

Note

If this PR changes meaningfully during the course of review please update the title and description as required.

[stephybun]

Thanks for this PR @areve.

Apologies we didn't see this earlier but a duplicate of this was opened recently which has already undergone review. Since #26701 is more complete in that it includes tests for the regex change I'm going to close this in favour of #26701.

[github-actions]

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