Add GenAI semconv attributes to native OTel spans #2647

Job	Run time
checks / readme-snippets	10s
checks / pre-commit	38s
checks / test (3.10, locked, windows-latest)	1m 31s
checks / test (3.12, locked, windows-latest)	1m 17s
checks / test (3.11, lowest-direct, ubuntu-latest)	59s
checks / test (3.10, lowest-direct, windows-latest)	1m 57s
checks / test (3.11, locked, windows-latest)	1m 19s
checks / test (3.10, lowest-direct, ubuntu-latest)	58s
checks / test (3.10, locked, ubuntu-latest)	51s
checks / test (3.11, locked, ubuntu-latest)	46s
checks / test (3.13, lowest-direct, windows-latest)	2m 0s
checks / test (3.11, lowest-direct, windows-latest)	1m 21s
checks / test (3.12, lowest-direct, windows-latest)	1m 17s
checks / test (3.13, locked, ubuntu-latest)	48s
checks / test (3.13, lowest-direct, ubuntu-latest)	50s
checks / test (3.12, locked, ubuntu-latest)	59s
checks / test (3.14, locked, windows-latest)	2m 14s
checks / test (3.14, lowest-direct, windows-latest)	1m 34s
checks / test (3.14, locked, ubuntu-latest)	2m 1s
checks / test (3.13, locked, windows-latest)	1m 41s
checks / test (3.12, lowest-direct, ubuntu-latest)	55s
checks / test (3.14, lowest-direct, ubuntu-latest)	39s
all-green	2s
	26m 47s

Provide feedback