Fix typo in `WaterHeaterEntityDescription` name (#132888) #15522

Job	Run time
Collect information & changes data	14s
Prepare dependencies (3.12)	2m 8s
Prepare pre-commit base	14s
Prepare dependencies (3.13)	2m 13s
Check Dockerfile	15s
Check Dockerfile.dev	13s
Check script/hassfest/docker/Dockerfile	11s
Check ruff	22s
Check other linters	1m 1s
Check ruff-format	11s
Check all requirements	17s
Check hassfest	56s
Check mypy	2m 4s
Check pylint	8m 9s
Audit licenses (3.12)	28s
Check pylint on tests	5m 54s
Audit licenses (3.13)	29s
Run ${{ matrix.postgresql-group }} tests Python ${{ matrix.python-version }}	0s
Run ${{ matrix.mariadb-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 (partial suite)	0s
Run tests Python ${{ matrix.python-version }} (${{ matrix.group }})	0s
Upload test coverage to Codecov (full suite)	0s
	25m 19s

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