chore: update s3cmd configuration

- Add 'type' field to s3cmd configuration
- Ensure compatibility with S3 provider settings

This change updates the s3cmd configuration to include a 'type' field,
which is necessary for proper interaction with the specified S3 provider.
This adjustment helps in avoiding potential misconfigurations.

backups/daemonset+cronjob/cm-script.yaml

@@ -29,6 +29,7 @@ data:
     # 配置 s3cmd
     cat > ~/.s3cfg << EOF
     [default]
+    type = s3
     provider = ${S3_PROVIDER}
     access_key = ${S3_ACCESS_KEY}
     secret_key = ${S3_SECRET_KEY}