deps: update golang.org/x/exp digest to b2144cd #622

Job	Run time
Prepare CI Run	4s
Store tag of the built images	2s
Unit Tests (lifecycle-operator, lifecycle-operator/)	52s
Build Docker Image (lifecycle-operator, lifecycle-operator/)	1m 5s
Unit Tests (metrics-operator, metrics-operator/)	36s
Build Docker Image (metrics-operator, metrics-operator/)	50s
Unit Tests (scheduler, scheduler/)	51s
Build Docker Image (scheduler, scheduler/)	1m 5s
Unit Tests (certificate-operator, keptn-cert-manager/)	53s
Build Docker Image (deno-runtime, runtimes/deno-runtime/)	20s
Build Docker Image (python-runtime, runtimes/python-runtime/)	29s
Build Docker Image (certificate-operator, keptn-cert-manager/)	1m 5s
Component Tests / Component Tests	38s
Load Tests	0s
Integration Tests	0s
End to End Tests	0s
Performance Tests	0s
Publish helm chart changes to charts repo	0s
	8m 50s

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