Update AWS detector and instrumentation semconv to v1.21.0 #7295

Job	Run time
lint	7m 8s
integration (test-gocql)	28s
integration (test-mongo-driver)	27s
integration (test-gomemcache)	24s
compatibility-test (1.21, ubuntu-latest, 386)	4m 20s
compatibility-test (1.21, ubuntu-latest, amd64)	5m 24s
compatibility-test (1.21, macos-latest, amd64)	8m 11s
compatibility-test (1.21, windows-latest, 386)	12m 12s
compatibility-test (1.21, windows-latest, amd64)	13m 56s
compatibility-test (1.20, ubuntu-latest, 386)	4m 28s
compatibility-test (1.20, ubuntu-latest, amd64)	3m 47s
compatibility-test (1.20, macos-latest, amd64)	5m 54s
compatibility-test (1.20, windows-latest, 386)	13m 24s
compatibility-test (1.20, windows-latest, amd64)	11m 21s
compatibility-test (1.19, ubuntu-latest, 386)	4m 6s
compatibility-test (1.19, ubuntu-latest, amd64)	4m 7s
compatibility-test (1.19, macos-latest, amd64)	5m 23s
compatibility-test (1.19, windows-latest, 386)	11m 56s
compatibility-test (1.19, windows-latest, amd64)	11m 10s
test-coverage	6m 35s
test-race	5m 15s
test-integration	2s
test-compatibility	4s
	2h 20m 2s

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