feat: Add protocol_version parameter to ClientSession #1555

Job	Run time
checks / readme-snippets	11s
checks / pre-commit	32s
checks / test (3.11, lowest-direct, ubuntu-latest)	57s
checks / test (3.12, lowest-direct, windows-latest)	4m 9s
checks / test (3.13, locked, windows-latest)	2m 11s
checks / test (3.13, lowest-direct, windows-latest)	2m 36s
checks / test (3.12, locked, windows-latest)	3m 17s
checks / test (3.14, locked, ubuntu-latest)	2m 15s
checks / test (3.10, lowest-direct, windows-latest)	2m 34s
checks / test (3.12, locked, ubuntu-latest)	55s
checks / test (3.10, lowest-direct, ubuntu-latest)	57s
checks / test (3.11, lowest-direct, windows-latest)	2m 19s
checks / test (3.13, locked, ubuntu-latest)	50s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 1s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 14s
checks / test (3.14, locked, windows-latest)	3m 33s
checks / test (3.11, locked, ubuntu-latest)	50s
checks / test (3.10, locked, windows-latest)	2m 4s
checks / test (3.13, lowest-direct, ubuntu-latest)	52s
checks / test (3.14, lowest-direct, windows-latest)	2m 22s
checks / test (3.11, locked, windows-latest)	2m 19s
checks / test (3.10, locked, ubuntu-latest)	53s
all-green	2s
	38m 53s

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