chore!: bump poa module to `d321226` #230

Job	Run time
build-docker	2m 39s
e2e-tests (ictest-ibc)	4m 29s
e2e-tests (ictest-poa)	3m 36s
e2e-tests (ictest-tokenfactory)	3m 44s
e2e-tests (ictest-manifest)	3m 39s
e2e-tests (ictest-group-poa)	8m 25s
	26m 32s

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