Adding required "location" parameter to network examples

[zikalino]

Contribution checklist:

• I have reviewed the documentation for the workflow.
• Validation tools were run on swagger spec(s) and have all been fixed in this PR.
• The OpenAPI Hub was used for checking validation status and next steps.

ARM API Review Checklist

• Service team MUST add the "WaitForARMFeedback" label if the management plane API changes fall into one of the below categories.
• adding/removing APIs.
• adding/removing properties.
• adding/removing API-version.
• adding a new service in Azure.

Failure to comply may result in delays for manifest application. Note this does not apply to data plane APIs.

• If you are blocked on ARM review and want to get the PR merged urgently, please get the ARM oncall for reviews (RP Manifest Approvers team under Azure Resource Manager service) from IcM and reach out to them.
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[openapi-portal-comment]

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[azuresdkci]

Hello!!

The Rest API Specs team wishes everyone a happy holiday and would like to kindly inform you that responses and review to Pull request will be delayed during the holiday period (now -> 2nds of January) to allow for Awesome reviewers to have an awesome time with their families during the holidays!

Thanks and Have a WONDERFUL HOLIDAY

[azuresdkci]

Can one of the admins verify this patch?

[MikhailTryakhov]

@zikalino please use our one note article to follow. target it to monthly branch instead of master and follow right scenario

[MikhailTryakhov]

+@avijitgupta as a NIC code owner