Update module github.com/cert-manager/cert-manager to v1.19.0

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

go.mod

@@ -3,7 +3,7 @@ module github.com/projectsyn/k8s-service-ca-controller
 go 1.17
 
 require (
-	github.com/cert-manager/cert-manager v1.8.1
+	github.com/cert-manager/cert-manager v1.19.0
 	github.com/go-logr/logr v1.2.3
 	github.com/stretchr/testify v1.8.0
 	k8s.io/api v0.23.5