Make go-cmp dependency explicit

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/cert-manager/cert-manager v1.13.3
 	github.com/containers/common v0.49.3
 	github.com/go-logr/logr v1.4.1
+	github.com/google/go-cmp v0.6.0
 	github.com/google/go-containerregistry v0.18.0
 	github.com/imdario/mergo v0.3.16
 	github.com/jellydator/ttlcache/v3 v3.1.1
@@ -153,7 +154,6 @@ require (
 	github.com/gomarkdown/markdown v0.0.0-20210514010506-3b9f47219fe7 // indirect
 	github.com/google/certificate-transparency-go v1.1.7 // indirect
 	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/go-github/v55 v55.0.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect