Add checks for translation placeholders #222390

Job	Run time
Collect information & changes data	15s
Prepare pre-commit base	13s
Check Dockerfile	15s
Prepare dependencies (3.12)	14s
Check Dockerfile.dev	13s
Check script/hassfest/docker/Dockerfile	13s
Check ruff	28s
Check ruff-format	14s
Check other linters	1m 2s
Check pylint	8m 2s
Check hassfest	53s
Check all requirements	25s
Check mypy	2m 33s
Audit licenses	0s
Split tests for full run (3.12)	7m 48s
Check pylint on tests	5m 50s
Run postgres:12.14 tests Python 3.12	11m 32s
Run mariadb:10.3.32 tests Python 3.12	12m 1s
Run postgres:15.2 tests Python 3.12	10m 53s
Run mariadb:10.6.10 tests Python 3.12	10m 2s
Run tests Python ${{ matrix.python-version }} (${{ matrix.group }})	0s
Run mariadb:10.10.3 tests Python 3.12	9m 22s
Run mariadb:10.11.2 tests Python 3.12	10m 15s
Run mysql:8.0.32 tests Python 3.12	14m 50s
Upload test coverage to Codecov (partial suite)	0s
Run tests Python ${{ matrix.python-version }} (${{ matrix.group }})	0s
Upload test coverage to Codecov (full suite)	0s
	1h 47m 33s

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