OpenTelemetry MCP client spans #934

Job	Run time
checks / pre-commit	36s
checks / readme-snippets	12s
checks / test (3.10, locked, ubuntu-latest)	52s
checks / test (3.10, lowest-direct, windows-latest)	2m 39s
checks / test (3.11, lowest-direct, windows-latest)	2m 44s
checks / test (3.11, lowest-direct, ubuntu-latest)	54s
checks / test (3.10, lowest-direct, ubuntu-latest)	57s
checks / test (3.10, locked, windows-latest)	2m 27s
checks / test (3.11, locked, ubuntu-latest)	48s
checks / test (3.12, lowest-direct, windows-latest)	3m 45s
checks / test (3.13, lowest-direct, ubuntu-latest)	54s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 18s
checks / test (3.12, locked, ubuntu-latest)	55s
checks / test (3.13, locked, windows-latest)	2m 21s
checks / test (3.12, locked, windows-latest)	3m 30s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 1s
checks / test (3.13, locked, ubuntu-latest)	50s
checks / test (3.13, lowest-direct, windows-latest)	2m 54s
checks / test (3.11, locked, windows-latest)	2m 26s
checks / test (3.14, locked, ubuntu-latest)	2m 25s
checks / test (3.14, lowest-direct, windows-latest)	2m 34s
checks / test (3.14, locked, windows-latest)	3m 1s
all-green	3s
	40m 6s

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