VoIP: Add support for announce #233887

Job	Run time
Collect information & changes data	14s
Prepare dependencies (3.12)	25s
Prepare dependencies (3.13)	31s
Prepare pre-commit base	18s
Check Dockerfile	15s
Check Dockerfile.dev	14s
Check script/hassfest/docker/Dockerfile	15s
Check other linters	30s
Check ruff	11s
Check ruff-format	16s
Check hassfest	45s
Check pylint	21s
Check all requirements	17s
Audit licenses	0s
Check mypy	22s
Check pylint on tests	25s
Run tests Python 3.12 (voip)	1m 1s
Run ${{ matrix.mariadb-group }} tests Python ${{ matrix.python-version }}	0s
Run tests Python 3.13 (voip)	1m 25s
Run ${{ matrix.postgresql-group }} tests Python ${{ matrix.python-version }}	0s
Split tests for full run	0s
Run tests Python ${{ matrix.python-version }} (${{ matrix.group }})	0s
Upload test coverage to Codecov (full suite)	0s
Upload test coverage to Codecov (partial suite)	0s
	7m 45s

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