feat: Add protocol_version parameter to ClientSession #1544

Job	Run time
checks / readme-snippets	11s
checks / pre-commit	38s
checks / test (3.11, lowest-direct, windows-latest)	2m 25s
checks / test (3.11, lowest-direct, ubuntu-latest)	54s
checks / test (3.10, locked, windows-latest)	2m 9s
checks / test (3.13, locked, windows-latest)	2m 15s
checks / test (3.12, lowest-direct, ubuntu-latest)	55s
checks / test (3.12, lowest-direct, windows-latest)	3m 22s
checks / test (3.10, lowest-direct, windows-latest)	2m 30s
checks / test (3.13, lowest-direct, windows-latest)	2m 30s
checks / test (3.11, locked, windows-latest)	2m 5s
checks / test (3.10, locked, ubuntu-latest)	50s
checks / test (3.12, locked, ubuntu-latest)	51s
checks / test (3.13, locked, ubuntu-latest)	50s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 17s
checks / test (3.12, locked, windows-latest)	3m 0s
checks / test (3.10, lowest-direct, ubuntu-latest)	55s
checks / test (3.11, locked, ubuntu-latest)	48s
checks / test (3.14, lowest-direct, windows-latest)	2m 18s
checks / test (3.14, locked, windows-latest)	3m 19s
checks / test (3.13, lowest-direct, ubuntu-latest)	50s
checks / test (3.14, locked, ubuntu-latest)	2m 14s
all-green	2s
	37m 8s

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