Add pin system tests workflow #6865

Job	Run time
build	4m 7s
main / Get parameters / Get parameters	1s
main / parametric	-1s
main / End-to-end #${{ matrix.job.weblog_instance }}	0s
main / Build end-to-end (${{ matrix.weblog.name }})	1s
Check system tests success	3s
main / Report failures	1s
	4m 12s

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