Update kyverno to v1.15.2

Signed-off-by: GitHub <[email protected]>

Author: fluxcdbot

infrastructure/kyverno/source.yaml

@@ -8,6 +8,6 @@ spec:
   provider: generic
   url: oci://ghcr.io/kyverno/manifests/kyverno
   ref:
-    tag: "v1.14.4"
+    tag: "v1.15.2"
   verify:
     provider: cosign