feat: Add protocol_version parameter to ClientSession #1697

Job	Run time
checks / readme-snippets	11s
checks / pre-commit	33s
checks / test (3.10, lowest-direct, windows-latest)	2m 15s
checks / test (3.10, lowest-direct, ubuntu-latest)	54s
checks / test (3.10, locked, ubuntu-latest)	52s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 0s
checks / test (3.11, lowest-direct, ubuntu-latest)	56s
checks / test (3.11, locked, windows-latest)	2m 6s
checks / test (3.10, locked, windows-latest)	2m 1s
checks / test (3.11, locked, ubuntu-latest)	51s
checks / test (3.12, locked, windows-latest)	3m 38s
checks / test (3.13, locked, windows-latest)	2m 29s
checks / test (3.11, lowest-direct, windows-latest)	2m 51s
checks / test (3.12, locked, ubuntu-latest)	55s
checks / test (3.14, locked, ubuntu-latest)	2m 16s
checks / test (3.14, lowest-direct, windows-latest)	2m 9s
checks / test (3.14, locked, windows-latest)	2m 39s
checks / test (3.12, lowest-direct, windows-latest)	3m 31s
checks / test (3.13, lowest-direct, windows-latest)	2m 28s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 11s
checks / test (3.13, lowest-direct, ubuntu-latest)	54s
checks / test (3.13, locked, ubuntu-latest)	47s
all-green	3s
	37m 30s

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