fix: Rename B2 secret keys to match rancher-backup operator expectations

The operator expects accessKey/secretKey, not aws_access_key_id/aws_secret_access_key.

infrastructure/addons/rancher-backup/b2-credentials-externalsecret.yaml

@@ -14,8 +14,8 @@ spec:
     template:
       type: Opaque
       data:
-        aws_access_key_id: "{{ .B2_ACCOUNT_ID }}"
+        accessKey: "{{ .B2_ACCOUNT_ID }}"
-        aws_secret_access_key: "{{ .B2_APPLICATION_KEY }}"
+        secretKey: "{{ .B2_APPLICATION_KEY }}"
   data:
     - secretKey: B2_ACCOUNT_ID
       remoteRef:

infrastructure/addons/rancher-backup/helmrelease-rancher-backup.yaml

@@ -26,3 +26,7 @@ spec:
   values:
     image:
       repository: rancher/backup-restore-operator
+    kubectl:
+      image:
+        repository: bitnami/kubectl
+        tag: "1.34"