fix(tracing): exclude a2a-sdk instrumentation scope from LLMOps export #1834

Job	Run time
build-wheels	11s
test-uipath-runtime (3.11, ubuntu-latest)	15s
test-uipath-runtime (3.12, ubuntu-latest)	20s
test-uipath-runtime (3.13, ubuntu-latest)	19s
test-uipath-runtime (3.11, windows-latest)	38s
test-uipath-runtime (3.13, windows-latest)	1m 4s
test-uipath-runtime (3.12, windows-latest)	48s
	3m 35s

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