feat(client): add explicit session_id support for Streamable HTTP resumption #1585

Job	Run time
checks / pre-commit	34s
checks / readme-snippets	12s
checks / test (3.10, locked, windows-latest)	2m 10s
checks / test (3.11, lowest-direct, windows-latest)	2m 56s
checks / test (3.12, lowest-direct, ubuntu-latest)	56s
checks / test (3.10, lowest-direct, windows-latest)	2m 11s
checks / test (3.11, locked, ubuntu-latest)	46s
checks / test (3.11, locked, windows-latest)	2m 5s
checks / test (3.12, locked, ubuntu-latest)	56s
checks / test (3.10, locked, ubuntu-latest)	47s
checks / test (3.10, lowest-direct, ubuntu-latest)	54s
checks / test (3.13, lowest-direct, ubuntu-latest)	48s
checks / test (3.13, lowest-direct, windows-latest)	3m 3s
checks / test (3.12, locked, windows-latest)	3m 9s
checks / test (3.11, lowest-direct, ubuntu-latest)	51s
checks / test (3.14, locked, ubuntu-latest)	2m 12s
checks / test (3.12, lowest-direct, windows-latest)	3m 33s
checks / test (3.14, locked, windows-latest)	3m 1s
checks / test (3.14, lowest-direct, windows-latest)	2m 9s
checks / test (3.13, locked, windows-latest)	2m 30s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 15s
checks / test (3.13, locked, ubuntu-latest)	45s
all-green	4s
	37m 47s

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