chore: prevent the pr actions from filing on merge_group #8310

Job	Run time
lint	1m 30s
Python Build (Python 3.10 PyArrow latest)	4m 39s
Python Build (Python 3.9 PyArrow 16.0.0)	11m 42s
Python Build (Python 3.10 LakeFS Integration tests)	3m 14s
PySpark Integration Tests	4m 4s
Running with Python 3.9	11m 49s
Running with Python 3.10	11m 10s
Running with Python 3.11	11m 31s
Running with Python 3.12	11m 24s
	1h 11m 3s

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