Add GenAI semconv attributes to native OTel spans #2646

Job	Run time
checks / readme-snippets	10s
checks / pre-commit	35s
checks / test (3.12, lowest-direct, windows-latest)	1m 21s
checks / test (3.10, locked, ubuntu-latest)	47s
checks / test (3.11, lowest-direct, windows-latest)	1m 26s
checks / test (3.14, lowest-direct, windows-latest)	1m 15s
checks / test (3.10, lowest-direct, windows-latest)	1m 16s
checks / test (3.12, locked, ubuntu-latest)	46s
checks / test (3.11, locked, windows-latest)	1m 18s
checks / test (3.12, lowest-direct, ubuntu-latest)	51s
checks / test (3.11, locked, ubuntu-latest)	45s
checks / test (3.14, locked, windows-latest)	2m 10s
checks / test (3.12, locked, windows-latest)	1m 15s
checks / test (3.10, lowest-direct, ubuntu-latest)	44s
checks / test (3.11, lowest-direct, ubuntu-latest)	41s
checks / test (3.14, locked, ubuntu-latest)	1m 48s
checks / test (3.13, locked, ubuntu-latest)	42s
checks / test (3.13, lowest-direct, windows-latest)	1m 17s
checks / test (3.13, lowest-direct, ubuntu-latest)	46s
checks / test (3.13, locked, windows-latest)	1m 34s
checks / test (3.10, locked, windows-latest)	1m 16s
checks / test (3.14, lowest-direct, ubuntu-latest)	54s
all-green	3s
	23m 40s

Provide feedback