Ignore pre-2026 protocol_version pins at the StreamableHTTP transport #2831

Job	Run time
checks / readme-snippets	14s
checks / pre-commit	46s
checks / test (3.10, lowest-direct, windows-latest)	1m 27s
checks / test (3.10, locked, ubuntu-latest)	1m 6s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 4s
checks / test (3.12, locked, windows-latest)	1m 57s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 2s
checks / test (3.11, locked, ubuntu-latest)	1m 0s
checks / test (3.12, lowest-direct, windows-latest)	1m 42s
checks / test (3.14, lowest-direct, ubuntu-latest)	56s
checks / test (3.10, locked, windows-latest)	1m 49s
checks / test (3.13, lowest-direct, windows-latest)	1m 40s
checks / test (3.11, lowest-direct, windows-latest)	1m 35s
checks / test (3.12, locked, ubuntu-latest)	1m 8s
checks / test (3.11, locked, windows-latest)	1m 28s
checks / test (3.13, locked, windows-latest)	1m 28s
checks / test (3.13, locked, ubuntu-latest)	57s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.14, lowest-direct, windows-latest)	1m 34s
checks / test (3.14, locked, windows-latest)	1m 48s
checks / test (3.14, locked, ubuntu-latest)	1m 57s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 0s
all-green	6s
	28m 53s

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