Update RestrictedPython to 8.1 (#154870) #992

Job	Run time
Collect information & changes data	17s
Prepare dependencies (3.14)	2h 52m 24s
Prepare dependencies (3.13)	1s
Check Dockerfile.dev	1s
Prepare pre-commit base	1s
Check script/hassfest/docker/Dockerfile	2h 52m 24s
Check Dockerfile	2h 52m 24s
Dependency review	1s
Check hassfest	1s
Check pylint on tests	1s
Split tests for full run	1s
Check ruff	1s
Check mypy	1s
Check all requirements	1s
Run tests Python ${{ matrix.python-version }} (${{ matrix.group }})	1s
Run ${{ matrix.mariadb-group }} tests Python ${{ matrix.python-version }}	1s
Check other linters	1s
Check ruff-format	1s
Check pylint	1s
Upload test coverage to Codecov (partial suite)	1s
Run ${{ matrix.postgresql-group }} tests Python ${{ matrix.python-version }}	1s
Audit licenses	1s
Upload test coverage to Codecov (full suite)	1s
Run tests Python ${{ matrix.python-version }} (${{ matrix.group }})	1s
Upload test results to Codecov	1s
	8h 37m 50s

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