fix(glances): use dedicated httpx client with longer timeout and surface API error messages #324196

Job	Run time
Collect information & changes data	19s
Run prek checks	1m 35s
Prepare dependencies (3.14.4)	33s
Check copilot instructions	16s
Check GitHub Actions workflows	19s
Check Dockerfile	18s
Check Dockerfile.dev	18s
Check script/hassfest/docker/Dockerfile	34s
Check mypy	29s
Check all requirements	36s
Check pylint	39s
Check pylint on tests	28s
Check hassfest	1m 4s
Audit licenses	0s
Dependency review	0s
Split tests for full run	0s
Run tests Python 3.14.4 (glances)	1m 11s
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)	-1s
Run ${{ matrix.postgresql-group }} tests Python ${{ matrix.python-version }}	-1s
Upload test coverage to Codecov (partial suite)	14s
Upload test results to Codecov	0s
	8m 51s

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