[ACR] az acr network-rule: Update ip_address help text to include ipv6 address

[northtyphoon]

Related command

az acr network-rule

Description

update ip_address help text to include ipv6 address

Testing Guide

az acr network-rule add --help

History Notes

[ACR] az acr network-rule: Update ip_address help text to include ipv6 address

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[yonzhan]

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[Copilot]

Pull request overview

This PR updates the help text for the ip_address parameter in the az acr network-rule command to clarify that both IPv4 and IPv6 addresses are supported.

• Updates parameter help text to indicate IPv4/IPv6 support

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[northtyphoon]

@zhoxing-ms can you help merge the pr?