Drop `Content` and `args` parameter in `ClientSessionGroup.call_tool` #4064

Job	Run time
checks / test (3.10, highest, ubuntu-latest)	46s
checks / test (3.14, highest, windows-latest)	2m 23s
checks / test (3.13, highest, ubuntu-latest)	41s
checks / test (3.14, highest, ubuntu-latest)	1m 8s
checks / test (3.14, lowest-direct, windows-latest)	2m 29s
checks / test (3.13, lowest-direct, windows-latest)	2m 40s
checks / test (3.12, lowest-direct, ubuntu-latest)	50s
checks / test (3.12, lowest-direct, windows-latest)	3m 18s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 6s
checks / test (3.11, lowest-direct, windows-latest)	3m 15s
checks / test (3.13, lowest-direct, ubuntu-latest)	42s
checks / test (3.13, highest, windows-latest)	2m 31s
checks / test (3.11, lowest-direct, ubuntu-latest)	41s
checks / test (3.10, lowest-direct, windows-latest)	2m 40s
checks / test (3.12, highest, windows-latest)	3m 23s
checks / test (3.11, highest, ubuntu-latest)	47s
checks / test (3.10, lowest-direct, ubuntu-latest)	40s
checks / test (3.10, highest, windows-latest)	2m 18s
checks / pre-commit	35s
checks / test (3.11, highest, windows-latest)	2m 53s
checks / test (3.12, highest, ubuntu-latest)	53s
checks / readme-snippets	13s
	36m 52s

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