Add auto report of deleted messages #2418

Job	Run time
pymarkdown	11s
ruff-lint	10s
uv-check	7s
flake8	10s
pre-commit / autofix-pre-commit	3m 4s
pytest	22s
mypy (package)	27s
mypy (tests)	17s
build-and-publish	46s
release	0s
	5m 34s

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