feat: add ReferenceContext for span reference hierarchy propagation #5384

Job	Run time
build-wheels	-1s
test-uipath-langchain	0s
discover-testcases	0s
${{ matrix.testcase }} / ${{ matrix.environment }} / ${{ ((matrix.use_azure_chat && 'UiPathAzureChatOpenAI') \|\| 'UiPathChat') }}	0s
notify-on-failure	0s
	-1s

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