fix: suppress all `hipo::structure` UBSan alignment errors #940

Job	Run time
Linux (minver) / Build ROOT	1h 28m 2s
Linux (minver) / Build Minver Ruby	5m 12s
Linux (minver) / Download test data	2m 3s
Linux (minver) / Build HIPO (noROOT)	1m 30s
Linux (minver) / Build HIPO (withROOT)	1m 23s
Linux (minver) / Iguana (cpp)	4m 25s
Linux (minver) / Iguana (noROOT)	1m 38s
Linux (minver) / Iguana (python)	6m 38s
Linux (minver) / Iguana (fortran)	3m 0s
Linux (minver) / Final	1s
Linux (minver) / Collect webpages	0s
Linux (minver) / Deploy webpages	0s
Issue bot	0s
	1h 53m 52s

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