chore: add cross repo test action #6

Job	Run time
test-uipath (3.12, ubuntu-latest)	50s
test-uipath (3.12, windows-latest)	1m 42s
test-uipath (3.13, windows-latest)	1m 48s
test-uipath (3.13, ubuntu-latest)	57s
test-uipath (3.11, windows-latest)	1m 41s
test-uipath (3.11, ubuntu-latest)	51s
discover-testcases	5s
apicalls-testcase / alpha	27s
calculator-evals / staging	28s
basic-testcase / alpha	31s
calculator-crash-evals / staging	30s
langchain-cross / alpha	32s
eval-telemetry-testcase / alpha	28s
csv-processor-evals / staging	31s
eval-input-overrides / staging	30s
calculator-crash-evals / alpha	27s
csv-processor-evals / alpha	34s
langchain-cross / staging	30s
tools-evals / staging	30s
calculator-evals / alpha	29s
tools-evals / alpha	29s
basic-testcase / staging	27s
eval-spans-testcase / staging	31s
eval-spans-testcase / alpha	29s
eval-telemetry-testcase / staging	31s
apicalls-testcase / staging	29s
eval-input-overrides / alpha	28s
	17m 45s

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