[mdns]: send PTR query for mdns browse when interface is ready (IDFGH-13841)

[gytxxsy]

Description

When an interface changes from not ready to ready, a PTR query should be sent for all mdns browse on that interface.

Checklist

Before submitting a Pull Request, please ensure the following:

• 🚨 This PR does not introduce breaking changes.
• All CI checks (GH Actions) pass.
• Documentation is updated as needed. (no functional change)
• Tests are updated or added as necessary.(no functional change)
• Git history is clean — commits are squashed to the minimum necessary.

[gytxxsy]

@david-cermak Could you please take a look of this PR?

[david-cermak]

@gytxxsy this task has been masked as done:

* Tests are updated or added as necessary.

but saw no changes to the test code. Does it mean that these changes don't have to be tested?

[gytxxsy]

@gytxxsy this task has been masked as done:

* Tests are updated or added as necessary.

but saw no changes to the test code. Does it mean that these changes don't have to be tested?

@david-cermak This PR is considered a fix for the existing functionality (referencing avahi's behavior) rather than adding new features, so I think it's not necessary to add new test cases.

[david-cermak]

@gytxxsy this task has been masked as done:

* Tests are updated or added as necessary.

but saw no changes to the test code. Does it mean that these changes don't have to be tested?

@david-cermak This PR is considered a fix for the existing functionality (referencing avahi's behavior) rather than adding new features, so I think it's not necessary to add new test cases.

Thanks for explaining! LGTM!

[gytxxsy]

@david-cermak
Do you have any plans to bump the version soon? I think this PR is a meaningful fix and needs to be included in the latest version.