fix(helm): update chart metallb to 4.6.3

[renovate]

This PR contains the following updates:

Package	Update	Change
metallb (source)	patch	4.6.1 -> 4.6.3

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[github-actions]

Path: cluster/core/metallb/helmrelease.yaml
Version: 4.6.1 -> 4.6.3

@@ -50,7 +50,7 @@
   config: |
     null
 ---
-# Source: metallb/templates/crds.yaml
+# Source: metallb/templates/crds/crds.yaml
 # Based on: https://github.com/metallb/metallb/blob/v0.13.9/charts/metallb/charts/crds/templates/crds.yaml
 apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
@@ -233,7 +233,7 @@
   conditions: []
   storedVersions: []
 ---
-# Source: metallb/templates/crds.yaml
+# Source: metallb/templates/crds/crds.yaml
 apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
@@ -318,7 +318,7 @@
   conditions: []
   storedVersions: []
 ---
-# Source: metallb/templates/crds.yaml
+# Source: metallb/templates/crds/crds.yaml
 apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
@@ -463,7 +463,7 @@
   conditions: []
   storedVersions: []
 ---
-# Source: metallb/templates/crds.yaml
+# Source: metallb/templates/crds/crds.yaml
 apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
@@ -714,7 +714,7 @@
   storedVersions: []
 ---
 
-# Source: metallb/templates/crds.yaml
+# Source: metallb/templates/crds/crds.yaml
 ---
 apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
@@ -859,7 +859,7 @@
   conditions: []
   storedVersions: []
 ---
-# Source: metallb/templates/crds.yaml
+# Source: metallb/templates/crds/crds.yaml
 apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
@@ -984,7 +984,7 @@
   conditions: []
   storedVersions: []
 ---
-# Source: metallb/templates/crds.yaml
+# Source: metallb/templates/crds/crds.yaml
 apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
@@ -1881,4 +1881,4 @@
     "helm.sh/hook": "pre-install"
     "helm.sh/hook-delete-policy": "before-hook-creation"
 data:
-  secretkey: "cVcyb1Y0dnl5dm1LOXM5NGMxYXB1SFFsQTVOc0VXd29rdkxHd0JSRURkbk5oNEZWWXVmbWFZa1J1WG5ueVZWcll0UEFEaXNsWDUxc1BMYjBSbnZuUm9Dc1p4Mm5JQzJwVU9TTVVBUjYxamp2QTBjekkwelpnVWxITURlMW9zRVJyT3pkNUlNa2U3cmg0bHIxenI4M2swVnJNcTJ2aEZjWk9TNW9xSzRsaDAwcnFoNnE3b3lzSEI2NUYwT2J0V2hGSUNISnI0TGFEbUljWWNSYUt3Y3NMc3BZNkxzZ1RhS1puTjVZdUNRQmIxZ2c3VXFpSlNSWjlsamhQR3U3OFBhQw=="
+  secretkey: "eE9pYzV1NGNSeW9yVlV5VjVIZlRhRkxnWkhDME55OVJCQVVUWFVXYk1xbUE5eUZ3TEl1V3JBdHZGdTYzbHhUejNCUmFaMmg5YnF4WjhJalFGZ0owQlRIakhkRFhKU2FFdDlnMzlvZlMzazdSZGdNbWVESFd6ZEhMdWs2Skdwb3czV3pJQnE3d0VXWEJCa0dUVFUzUVlRS2oyQWFxQmwyNWt3enlZbnV3ckhwc05Va2VnYkVqeklOalByUG13UVZ1UkpuSVJLMjRleUxJeVF3NGtvN29NQkFzeEtZWXNrZVhuaXhubjR0blFGMGw2aVdDQlFuZ2F0aHAwaHZ2MTR0UA=="