feat(mariadb): Update bootstrap configuration to use backup reference for improved recovery

Author: TheMeinerLP

infrastructure/clusters/feather-core/configs/mariadb-galera/mariadb.yaml

@@ -25,20 +25,10 @@ spec:
   podDisruptionBudget:
     maxUnavailable: 66%
   bootstrapFrom:
-    s3:
-      bucket: mariadb-galera-backup
-      prefix: backups
-      endpoint: s3.onelite.feather:7480
-      accessKeyIdSecretKeyRef:
-        name: mariadb
-        key: access-key-id
-      secretAccessKeySecretKeyRef:
-        name: mariadb
-        key: secret-access-key
-      tls:
-        enabled: false
-    backupContentType: Physical
-    targetRecoveryTime: 2025-09-22T18:00:00Z
+    backupRef:
+      name: mariadb-galera-backup
+      kind: PhysicalBackup
+    targetRecoveryTime: 2025-09-22T12:00:00Z
 
   # Ensure that the Pods are not preempted by Kubernetes to make room for new scheduled Pods.
   priorityClassName: system-node-critical