Bump actions/setup-go from 5.3.0 to 5.4.0 #67

Job	Run time
Test PR shared-operator-workflow for namespace-configuration-operator / setup	28s
Test PR shared-operator-workflow for namespace-configuration-operator / package-helm	25s
Test PR shared-operator-workflow for namespace-configuration-operator / build-operator (linux/s390x)	3m 20s
Test PR shared-operator-workflow for namespace-configuration-operator / test-operator	1m 38s
Test PR shared-operator-workflow for namespace-configuration-operator / build-operator (linux/arm64)	3m 0s
Test PR shared-operator-workflow for namespace-configuration-operator / build-operator (linux/amd64)	2m 16s
Test PR shared-operator-workflow for namespace-configuration-operator / test-helmchart	5m 13s
Test PR shared-operator-workflow for namespace-configuration-operator / build-operator (linux/ppc64le)	3m 15s
Test PR shared-operator-workflow for namespace-configuration-operator / build-bundle (linux/amd64)	47s
Test PR shared-operator-workflow for namespace-configuration-operator / build-bundle (linux/arm64)	56s
Test PR shared-operator-workflow for namespace-configuration-operator / build-bundle (linux/ppc64le)	50s
Test PR shared-operator-workflow for namespace-configuration-operator / build-bundle (linux/s390x)	2m 18s
Test PR shared-operator-workflow for namespace-configuration-operator / recombine-dist	13s
	24m 39s

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