Add basic OpenTelemetry tracing for client and server requests #1744

Job	Run time
checks / readme-snippets	11s
checks / pre-commit	32s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 0s
checks / test (3.11, lowest-direct, ubuntu-latest)	56s
checks / test (3.12, lowest-direct, windows-latest)	3m 48s
checks / test (3.11, lowest-direct, windows-latest)	2m 57s
checks / test (3.10, lowest-direct, windows-latest)	2m 31s
checks / test (3.12, locked, windows-latest)	3m 54s
checks / test (3.10, locked, windows-latest)	2m 19s
checks / test (3.11, locked, windows-latest)	2m 35s
checks / test (3.11, locked, ubuntu-latest)	48s
checks / test (3.12, lowest-direct, ubuntu-latest)	55s
checks / test (3.12, locked, ubuntu-latest)	57s
checks / test (3.13, lowest-direct, ubuntu-latest)	52s
checks / test (3.13, lowest-direct, windows-latest)	2m 51s
checks / test (3.14, lowest-direct, windows-latest)	2m 36s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 26s
checks / test (3.13, locked, ubuntu-latest)	50s
checks / test (3.10, locked, ubuntu-latest)	51s
checks / test (3.14, locked, windows-latest)	3m 13s
checks / test (3.14, locked, ubuntu-latest)	2m 23s
checks / test (3.13, locked, windows-latest)	2m 48s
all-green	4s
	41m 17s

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