Bump github.com/skip-mev/pob from 1.0.3 to 1.0.4 #326

Job	Run time
build-and-push-image	4m 37s
test-juno-upgrade / run_make	32s
test-juno-basic / run_make	31s
test-juno-feeshare / run_make	36s
test-juno-ibc / run_make	37s
test-juno-ibchooks / run_make	36s
test-juno-pfm / run_make	32s
test-juno-tokenfactory / run_make	37s
test-juno-unity-deploy / run_make	45s
test-juno-unity-gov / run_make	38s
test-pob / run_make	42s
	10m 43s

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