Fix missing % in string for generic camera #231380

Job	Run time
Collect information & changes data	14s
Prepare dependencies (3.12)	31s
Prepare pre-commit base	17s
Check Dockerfile	13s
Prepare dependencies (3.13)	32s
Check Dockerfile.dev	13s
Check script/hassfest/docker/Dockerfile	14s
Check ruff-format	11s
Check ruff	12s
Check other linters	20s
Check all requirements	15s
Check hassfest	47s
Check pylint	25s
Audit licenses	0s
Check mypy	19s
Check pylint on tests	19s
Run tests Python 3.12 (generic)	1m 5s
Run ${{ matrix.postgresql-group }} tests Python ${{ matrix.python-version }}	0s
Split tests for full run	0s
Run tests Python 3.13 (generic)	1m 24s
Run ${{ matrix.mariadb-group }} tests Python ${{ matrix.python-version }}	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)	15s
	7m 46s

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