Added support to configure a proxy resolver for DiskS3 storage in ClickHouse.
Why it matters
This feature allows users to specify a custom proxy resolver when using DiskS3, which helps in environments where network requests to S3 need to be routed through proxies. It improves network configuration flexibility and connectivity to S3-compatible storage.How to use it
Users can enable and configure a proxy resolver for DiskS3 by specifying the relevant proxy resolver settings in the DiskS3 configuration section of the ClickHouse server configuration files.