feat: add support for konnect AU region #2170

Job	Run time
integration (kong:1.4.3)	1m 49s
integration (kong:1.5.1)	1m 22s
integration (kong:2.0.5)	1m 16s
integration (kong:2.1.4)	1m 16s
integration (kong:2.2.2)	1m 19s
integration (kong:2.3.3)	1m 21s
integration (kong:2.4.1)	1m 25s
integration (kong:2.5.1)	2m 6s
integration (kong:2.6.0)	2m 7s
integration (kong:2.7)	2m 16s
integration (kong:2.8)	1m 20s
integration (kong:3.0)	1m 52s
integration (kong:3.1)	1m 46s
integration (kong:3.2)	2m 3s
integration (kong:3.3)	2m 11s
integration (kong/kong:master-alpine)	2m 17s
	27m 46s

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