Add basic OpenTelemetry tracing for client and server requests #1736

Job	Run time
checks / readme-snippets	13s
checks / pre-commit	32s
checks / test (3.10, locked, windows-latest)	2m 4s
checks / test (3.10, lowest-direct, ubuntu-latest)	44s
checks / test (3.10, locked, ubuntu-latest)	51s
checks / test (3.12, locked, ubuntu-latest)	54s
checks / test (3.10, lowest-direct, windows-latest)	2m 42s
checks / test (3.13, lowest-direct, ubuntu-latest)	45s
checks / test (3.14, lowest-direct, windows-latest)	2m 8s
checks / test (3.13, lowest-direct, windows-latest)	2m 14s
checks / test (3.12, locked, windows-latest)	3m 46s
checks / test (3.11, locked, windows-latest)	2m 41s
checks / test (3.12, lowest-direct, windows-latest)	3m 54s
checks / test (3.11, lowest-direct, ubuntu-latest)	44s
checks / test (3.12, lowest-direct, ubuntu-latest)	43s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 6s
checks / test (3.11, locked, ubuntu-latest)	51s
checks / test (3.13, locked, ubuntu-latest)	45s
checks / test (3.14, locked, ubuntu-latest)	2m 21s
checks / test (3.14, locked, windows-latest)	2m 52s
checks / test (3.11, lowest-direct, windows-latest)	2m 34s
checks / test (3.13, locked, windows-latest)	2m 35s
all-green	4s
	38m 3s

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