feat: add shutdown count

[paulozulato]

Fixes https://emqx.atlassian.net/browse/EMQX-9008
Fixes https://emqx.atlassian.net/browse/EMQX-9219

Summary

🤖 Generated by Copilot at ebdcad5

Added a feature to show the number of clients disconnected by the broker due to invalid topic filters or protocol errors. This feature involves changes to the emqx_mgmt_cli, emqx_listeners, and emqx_client_SUITE modules, as well as a minor version bump in emqx.app.src.

PR Checklist

Please convert it to a draft if any of the following conditions are not met. Reviewers may skip over until all the items are checked:

• Added tests for the changes
• Changed lines covered in coverage report
• Change log has been added to changes/{ce,ee}/(feat|perf|fix)-<PR-id>.en.md files
• For internal contributor: there is a jira ticket to track this change
• If there should be document changes, a PR to emqx-docs.git is sent, or a jira ticket is created to follow up
• Schema changes are backward compatible

Checklist for CI (.github/workflows) changes

• If changed package build workflow, pass this action (manual trigger)
• Change log has been added to changes/ dir for user-facing artifacts update

[coveralls]

Pull Request Test Coverage Report for Build 4877448429

• 3 of 8 (37.5%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.03%) to 81.601%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
apps/emqx/src/emqx_listeners.erl	3	5	60.0%
apps/emqx_management/src/emqx_mgmt_cli.erl	0	3	0.0%

Totals
Change from base Build 4873366016:	-0.03%
Covered Lines:	26096
Relevant Lines:	31980

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💛 - Coveralls