feat: add WorkloadExecuting status to evaluation runs #3762

Job	Run time
test-uipath-llamaindex (3.13, windows-latest)	48s
test-uipath-llamaindex (3.11, ubuntu-latest)	25s
test-uipath-llamaindex (3.13, ubuntu-latest)	22s
test-uipath-llamaindex (3.11, windows-latest)	49s
test-uipath-llamaindex (3.12, ubuntu-latest)	19s
test-uipath-llamaindex (3.12, windows-latest)	59s
discover-testcases	3s
simple-hitl-agent / alpha	51s
quickstart-agent / alpha	57s
simple-hitl-agent / staging	42s
chat-models / alpha	2m 4s
quickstart-agent / staging	58s
chat-models / staging	1m 54s
	11m 11s

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