Add basic OpenTelemetry tracing for client and server requests #1740

Job	Run time
checks / pre-commit	32s
checks / readme-snippets	15s
checks / test (3.10, lowest-direct, windows-latest)	2m 2s
checks / test (3.11, lowest-direct, ubuntu-latest)	54s
checks / test (3.11, locked, windows-latest)	2m 41s
checks / test (3.10, locked, windows-latest)	2m 31s
checks / test (3.11, locked, ubuntu-latest)	50s
checks / test (3.10, locked, ubuntu-latest)	49s
checks / test (3.12, lowest-direct, windows-latest)	4m 15s
checks / test (3.12, lowest-direct, ubuntu-latest)	58s
checks / test (3.12, locked, ubuntu-latest)	56s
checks / test (3.11, lowest-direct, windows-latest)	2m 53s
checks / test (3.12, locked, windows-latest)	3m 51s
checks / test (3.13, locked, windows-latest)	3m 3s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 24s
checks / test (3.14, locked, windows-latest)	3m 17s
checks / test (3.13, locked, ubuntu-latest)	49s
checks / test (3.14, locked, ubuntu-latest)	2m 23s
checks / test (3.13, lowest-direct, ubuntu-latest)	56s
checks / test (3.10, lowest-direct, ubuntu-latest)	54s
checks / test (3.13, lowest-direct, windows-latest)	2m 45s
checks / test (3.14, lowest-direct, windows-latest)	2m 37s
all-green	5s
	41m 40s

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