Add basic OpenTelemetry tracing for client and server requests #1735

Job	Run time
checks / readme-snippets	9s
checks / pre-commit	31s
checks / test (3.10, lowest-direct, ubuntu-latest)	41s
checks / test (3.12, locked, ubuntu-latest)	57s
checks / test (3.10, locked, ubuntu-latest)	56s
checks / test (3.10, lowest-direct, windows-latest)	2m 19s
checks / test (3.12, lowest-direct, ubuntu-latest)	48s
checks / test (3.11, locked, windows-latest)	2m 47s
checks / test (3.11, lowest-direct, windows-latest)	2m 27s
checks / test (3.12, lowest-direct, windows-latest)	3m 27s
checks / test (3.13, lowest-direct, windows-latest)	2m 35s
checks / test (3.11, locked, ubuntu-latest)	49s
checks / test (3.13, locked, windows-latest)	2m 29s
checks / test (3.12, locked, windows-latest)	3m 50s
checks / test (3.13, lowest-direct, ubuntu-latest)	43s
checks / test (3.10, locked, windows-latest)	2m 20s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 7s
checks / test (3.14, locked, windows-latest)	3m 18s
checks / test (3.14, locked, ubuntu-latest)	2m 19s
checks / test (3.14, lowest-direct, windows-latest)	2m 13s
checks / test (3.13, locked, ubuntu-latest)	50s
checks / test (3.11, lowest-direct, ubuntu-latest)	39s
all-green	3s
	38m 17s

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